// Copyright 2010-2012 The W32 Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package w32

const (
	FALSE = 0
	TRUE  = 1
)

const (
	NO_ERROR                         = 0
	ERROR_SUCCESS                    = 0
	ERROR_FILE_NOT_FOUND             = 2
	ERROR_PATH_NOT_FOUND             = 3
	ERROR_ACCESS_DENIED              = 5
	ERROR_INVALID_HANDLE             = 6
	ERROR_BAD_FORMAT                 = 11
	ERROR_INVALID_NAME               = 123
	ERROR_MORE_DATA                  = 234
	ERROR_NO_MORE_ITEMS              = 259
	ERROR_INVALID_SERVICE_CONTROL    = 1052
	ERROR_SERVICE_REQUEST_TIMEOUT    = 1053
	ERROR_SERVICE_NO_THREAD          = 1054
	ERROR_SERVICE_DATABASE_LOCKED    = 1055
	ERROR_SERVICE_ALREADY_RUNNING    = 1056
	ERROR_SERVICE_DISABLED           = 1058
	ERROR_SERVICE_DOES_NOT_EXIST     = 1060
	ERROR_SERVICE_CANNOT_ACCEPT_CTRL = 1061
	ERROR_SERVICE_NOT_ACTIVE         = 1062
	ERROR_DATABASE_DOES_NOT_EXIST    = 1065
	ERROR_SERVICE_DEPENDENCY_FAIL    = 1068
	ERROR_SERVICE_LOGON_FAILED       = 1069
	ERROR_SERVICE_MARKED_FOR_DELETE  = 1072
	ERROR_SERVICE_DEPENDENCY_DELETED = 1075
)

const (
	SE_ERR_FNF             = 2
	SE_ERR_PNF             = 3
	SE_ERR_ACCESSDENIED    = 5
	SE_ERR_OOM             = 8
	SE_ERR_DLLNOTFOUND     = 32
	SE_ERR_SHARE           = 26
	SE_ERR_ASSOCINCOMPLETE = 27
	SE_ERR_DDETIMEOUT      = 28
	SE_ERR_DDEFAIL         = 29
	SE_ERR_DDEBUSY         = 30
	SE_ERR_NOASSOC         = 31
)

const (
	CW_USEDEFAULT = ^0x7fffffff
)

// ShowWindow constants
const (
	SW_HIDE            = 0
	SW_NORMAL          = 1
	SW_SHOWNORMAL      = 1
	SW_SHOWMINIMIZED   = 2
	SW_MAXIMIZE        = 3
	SW_SHOWMAXIMIZED   = 3
	SW_SHOWNOACTIVATE  = 4
	SW_SHOW            = 5
	SW_MINIMIZE        = 6
	SW_SHOWMINNOACTIVE = 7
	SW_SHOWNA          = 8
	SW_RESTORE         = 9
	SW_SHOWDEFAULT     = 10
	SW_FORCEMINIMIZE   = 11
)

// Window class styles
const (
	CS_VREDRAW         = 0x00000001
	CS_HREDRAW         = 0x00000002
	CS_KEYCVTWINDOW    = 0x00000004
	CS_DBLCLKS         = 0x00000008
	CS_OWNDC           = 0x00000020
	CS_CLASSDC         = 0x00000040
	CS_PARENTDC        = 0x00000080
	CS_NOKEYCVT        = 0x00000100
	CS_NOCLOSE         = 0x00000200
	CS_SAVEBITS        = 0x00000800
	CS_BYTEALIGNCLIENT = 0x00001000
	CS_BYTEALIGNWINDOW = 0x00002000
	CS_GLOBALCLASS     = 0x00004000
	CS_IME             = 0x00010000
	CS_DROPSHADOW      = 0x00020000
)

// Predefined cursor constants
const (
	IDC_ARROW       = 32512
	IDC_IBEAM       = 32513
	IDC_WAIT        = 32514
	IDC_CROSS       = 32515
	IDC_UPARROW     = 32516
	IDC_SIZENWSE    = 32642
	IDC_SIZENESW    = 32643
	IDC_SIZEWE      = 32644
	IDC_SIZENS      = 32645
	IDC_SIZEALL     = 32646
	IDC_NO          = 32648
	IDC_HAND        = 32649
	IDC_APPSTARTING = 32650
	IDC_HELP        = 32651
	IDC_ICON        = 32641
	IDC_SIZE        = 32640
)

// Predefined icon constants
const (
	IDI_APPLICATION = 32512
	IDI_HAND        = 32513
	IDI_QUESTION    = 32514
	IDI_EXCLAMATION = 32515
	IDI_ASTERISK    = 32516
	IDI_WINLOGO     = 32517
	IDI_WARNING     = IDI_EXCLAMATION
	IDI_ERROR       = IDI_HAND
	IDI_INFORMATION = IDI_ASTERISK
)

// Button style constants
const (
	BS_3STATE          = 5
	BS_AUTO3STATE      = 6
	BS_AUTOCHECKBOX    = 3
	BS_AUTORADIOBUTTON = 9
	BS_BITMAP          = 128
	BS_BOTTOM          = 0X800
	BS_CENTER          = 0X300
	BS_CHECKBOX        = 2
	BS_DEFPUSHBUTTON   = 1
	BS_GROUPBOX        = 7
	BS_ICON            = 64
	BS_LEFT            = 256
	BS_LEFTTEXT        = 32
	BS_MULTILINE       = 0X2000
	BS_NOTIFY          = 0X4000
	BS_OWNERDRAW       = 0XB
	BS_PUSHBUTTON      = 0
	BS_PUSHLIKE        = 4096
	BS_RADIOBUTTON     = 4
	BS_RIGHT           = 512
	BS_RIGHTBUTTON     = 32
	BS_TEXT            = 0
	BS_TOP             = 0X400
	BS_USERBUTTON      = 8
	BS_VCENTER         = 0XC00
	BS_FLAT            = 0X8000
)

// Button state constants
const (
	BST_CHECKED       = 1
	BST_INDETERMINATE = 2
	BST_UNCHECKED     = 0
	BST_FOCUS         = 8
	BST_PUSHED        = 4
)

// Predefined brushes constants
const (
	COLOR_3DDKSHADOW              = 21
	COLOR_3DFACE                  = 15
	COLOR_3DHILIGHT               = 20
	COLOR_3DHIGHLIGHT             = 20
	COLOR_3DLIGHT                 = 22
	COLOR_BTNHILIGHT              = 20
	COLOR_3DSHADOW                = 16
	COLOR_ACTIVEBORDER            = 10
	COLOR_ACTIVECAPTION           = 2
	COLOR_APPWORKSPACE            = 12
	COLOR_BACKGROUND              = 1
	COLOR_DESKTOP                 = 1
	COLOR_BTNFACE                 = 15
	COLOR_BTNHIGHLIGHT            = 20
	COLOR_BTNSHADOW               = 16
	COLOR_BTNTEXT                 = 18
	COLOR_CAPTIONTEXT             = 9
	COLOR_GRAYTEXT                = 17
	COLOR_HIGHLIGHT               = 13
	COLOR_HIGHLIGHTTEXT           = 14
	COLOR_INACTIVEBORDER          = 11
	COLOR_INACTIVECAPTION         = 3
	COLOR_INACTIVECAPTIONTEXT     = 19
	COLOR_INFOBK                  = 24
	COLOR_INFOTEXT                = 23
	COLOR_MENU                    = 4
	COLOR_MENUTEXT                = 7
	COLOR_SCROLLBAR               = 0
	COLOR_WINDOW                  = 5
	COLOR_WINDOWFRAME             = 6
	COLOR_WINDOWTEXT              = 8
	COLOR_HOTLIGHT                = 26
	COLOR_GRADIENTACTIVECAPTION   = 27
	COLOR_GRADIENTINACTIVECAPTION = 28
)

// Button message constants
const (
	BM_CLICK    = 245
	BM_GETCHECK = 240
	BM_GETIMAGE = 246
	BM_GETSTATE = 242
	BM_SETCHECK = 241
	BM_SETIMAGE = 247
	BM_SETSTATE = 243
	BM_SETSTYLE = 244
)

// Button notifications
const (
	BN_CLICKED       = 0
	BN_PAINT         = 1
	BN_HILITE        = 2
	BN_PUSHED        = BN_HILITE
	BN_UNHILITE      = 3
	BN_UNPUSHED      = BN_UNHILITE
	BN_DISABLE       = 4
	BN_DOUBLECLICKED = 5
	BN_DBLCLK        = BN_DOUBLECLICKED
	BN_SETFOCUS      = 6
	BN_KILLFOCUS     = 7
)

// GetWindowLong and GetWindowLongPtr constants
const (
	GWL_EXSTYLE     = -20
	GWL_STYLE       = -16
	GWL_WNDPROC     = -4
	GWLP_WNDPROC    = -4
	GWL_HINSTANCE   = -6
	GWLP_HINSTANCE  = -6
	GWL_HWNDPARENT  = -8
	GWLP_HWNDPARENT = -8
	GWL_ID          = -12
	GWLP_ID         = -12
	GWL_USERDATA    = -21
	GWLP_USERDATA   = -21
)

// Window style constants
const (
	WS_OVERLAPPED       = 0X00000000
	WS_POPUP            = 0X80000000
	WS_CHILD            = 0X40000000
	WS_MINIMIZE         = 0X20000000
	WS_VISIBLE          = 0X10000000
	WS_DISABLED         = 0X08000000
	WS_CLIPSIBLINGS     = 0X04000000
	WS_CLIPCHILDREN     = 0X02000000
	WS_MAXIMIZE         = 0X01000000
	WS_CAPTION          = 0X00C00000
	WS_BORDER           = 0X00800000
	WS_DLGFRAME         = 0X00400000
	WS_VSCROLL          = 0X00200000
	WS_HSCROLL          = 0X00100000
	WS_SYSMENU          = 0X00080000
	WS_THICKFRAME       = 0X00040000
	WS_GROUP            = 0X00020000
	WS_TABSTOP          = 0X00010000
	WS_MINIMIZEBOX      = 0X00020000
	WS_MAXIMIZEBOX      = 0X00010000
	WS_TILED            = 0X00000000
	WS_ICONIC           = 0X20000000
	WS_SIZEBOX          = 0X00040000
	WS_OVERLAPPEDWINDOW = 0X00000000 | 0X00C00000 | 0X00080000 | 0X00040000 | 0X00020000 | 0X00010000
	WS_POPUPWINDOW      = 0X80000000 | 0X00800000 | 0X00080000
	WS_CHILDWINDOW      = 0X40000000
)

// Extended window style constants
const (
	WS_EX_DLGMODALFRAME    = 0X00000001
	WS_EX_NOPARENTNOTIFY   = 0X00000004
	WS_EX_TOPMOST          = 0X00000008
	WS_EX_ACCEPTFILES      = 0X00000010
	WS_EX_TRANSPARENT      = 0X00000020
	WS_EX_MDICHILD         = 0X00000040
	WS_EX_TOOLWINDOW       = 0X00000080
	WS_EX_WINDOWEDGE       = 0X00000100
	WS_EX_CLIENTEDGE       = 0X00000200
	WS_EX_CONTEXTHELP      = 0X00000400
	WS_EX_RIGHT            = 0X00001000
	WS_EX_LEFT             = 0X00000000
	WS_EX_RTLREADING       = 0X00002000
	WS_EX_LTRREADING       = 0X00000000
	WS_EX_LEFTSCROLLBAR    = 0X00004000
	WS_EX_RIGHTSCROLLBAR   = 0X00000000
	WS_EX_CONTROLPARENT    = 0X00010000
	WS_EX_STATICEDGE       = 0X00020000
	WS_EX_APPWINDOW        = 0X00040000
	WS_EX_OVERLAPPEDWINDOW = 0X00000100 | 0X00000200
	WS_EX_PALETTEWINDOW    = 0X00000100 | 0X00000080 | 0X00000008
	WS_EX_LAYERED          = 0X00080000
	WS_EX_NOINHERITLAYOUT  = 0X00100000
	WS_EX_LAYOUTRTL        = 0X00400000
	WS_EX_NOACTIVATE       = 0X08000000
)

// Window message constants
const (
	WM_APP                    = 32768
	WM_ACTIVATE               = 6
	WM_ACTIVATEAPP            = 28
	WM_AFXFIRST               = 864
	WM_AFXLAST                = 895
	WM_ASKCBFORMATNAME        = 780
	WM_CANCELJOURNAL          = 75
	WM_CANCELMODE             = 31
	WM_CAPTURECHANGED         = 533
	WM_CHANGECBCHAIN          = 781
	WM_CHAR                   = 258
	WM_CHARTOITEM             = 47
	WM_CHILDACTIVATE          = 34
	WM_CLEAR                  = 771
	WM_CLOSE                  = 16
	WM_COMMAND                = 273
	WM_COMMNOTIFY             = 68 /* OBSOLETE */
	WM_COMPACTING             = 65
	WM_COMPAREITEM            = 57
	WM_CONTEXTMENU            = 123
	WM_COPY                   = 769
	WM_COPYDATA               = 74
	WM_CREATE                 = 1
	WM_CTLCOLORBTN            = 309
	WM_CTLCOLORDLG            = 310
	WM_CTLCOLOREDIT           = 307
	WM_CTLCOLORLISTBOX        = 308
	WM_CTLCOLORMSGBOX         = 306
	WM_CTLCOLORSCROLLBAR      = 311
	WM_CTLCOLORSTATIC         = 312
	WM_CUT                    = 768
	WM_DEADCHAR               = 259
	WM_DELETEITEM             = 45
	WM_DESTROY                = 2
	WM_DESTROYCLIPBOARD       = 775
	WM_DEVICECHANGE           = 537
	WM_DEVMODECHANGE          = 27
	WM_DISPLAYCHANGE          = 126
	WM_DRAWCLIPBOARD          = 776
	WM_DRAWITEM               = 43
	WM_DROPFILES              = 563
	WM_ENABLE                 = 10
	WM_ENDSESSION             = 22
	WM_ENTERIDLE              = 289
	WM_ENTERMENULOOP          = 529
	WM_ENTERSIZEMOVE          = 561
	WM_ERASEBKGND             = 20
	WM_EXITMENULOOP           = 530
	WM_EXITSIZEMOVE           = 562
	WM_FONTCHANGE             = 29
	WM_GETDLGCODE             = 135
	WM_GETFONT                = 49
	WM_GETHOTKEY              = 51
	WM_GETICON                = 127
	WM_GETMINMAXINFO          = 36
	WM_GETTEXT                = 13
	WM_GETTEXTLENGTH          = 14
	WM_HANDHELDFIRST          = 856
	WM_HANDHELDLAST           = 863
	WM_HELP                   = 83
	WM_HOTKEY                 = 786
	WM_HSCROLL                = 276
	WM_HSCROLLCLIPBOARD       = 782
	WM_ICONERASEBKGND         = 39
	WM_INITDIALOG             = 272
	WM_INITMENU               = 278
	WM_INITMENUPOPUP          = 279
	WM_INPUT                  = 0X00FF
	WM_INPUTLANGCHANGE        = 81
	WM_INPUTLANGCHANGEREQUEST = 80
	WM_KEYDOWN                = 256
	WM_KEYUP                  = 257
	WM_KILLFOCUS              = 8
	WM_MDIACTIVATE            = 546
	WM_MDICASCADE             = 551
	WM_MDICREATE              = 544
	WM_MDIDESTROY             = 545
	WM_MDIGETACTIVE           = 553
	WM_MDIICONARRANGE         = 552
	WM_MDIMAXIMIZE            = 549
	WM_MDINEXT                = 548
	WM_MDIREFRESHMENU         = 564
	WM_MDIRESTORE             = 547
	WM_MDISETMENU             = 560
	WM_MDITILE                = 550
	WM_MEASUREITEM            = 44
	WM_GETOBJECT              = 0X003D
	WM_CHANGEUISTATE          = 0X0127
	WM_UPDATEUISTATE          = 0X0128
	WM_QUERYUISTATE           = 0X0129
	WM_UNINITMENUPOPUP        = 0X0125
	WM_MENURBUTTONUP          = 290
	WM_MENUCOMMAND            = 0X0126
	WM_MENUGETOBJECT          = 0X0124
	WM_MENUDRAG               = 0X0123
	WM_APPCOMMAND             = 0X0319
	WM_MENUCHAR               = 288
	WM_MENUSELECT             = 287
	WM_MOVE                   = 3
	WM_MOVING                 = 534
	WM_NCACTIVATE             = 134
	WM_NCCALCSIZE             = 131
	WM_NCCREATE               = 129
	WM_NCDESTROY              = 130
	WM_NCHITTEST              = 132
	WM_NCLBUTTONDBLCLK        = 163
	WM_NCLBUTTONDOWN          = 161
	WM_NCLBUTTONUP            = 162
	WM_NCMBUTTONDBLCLK        = 169
	WM_NCMBUTTONDOWN          = 167
	WM_NCMBUTTONUP            = 168
	WM_NCXBUTTONDOWN          = 171
	WM_NCXBUTTONUP            = 172
	WM_NCXBUTTONDBLCLK        = 173
	WM_NCMOUSEHOVER           = 0X02A0
	WM_NCMOUSELEAVE           = 0X02A2
	WM_NCMOUSEMOVE            = 160
	WM_NCPAINT                = 133
	WM_NCRBUTTONDBLCLK        = 166
	WM_NCRBUTTONDOWN          = 164
	WM_NCRBUTTONUP            = 165
	WM_NEXTDLGCTL             = 40
	WM_NEXTMENU               = 531
	WM_NOTIFY                 = 78
	WM_NOTIFYFORMAT           = 85
	WM_NULL                   = 0
	WM_PAINT                  = 15
	WM_PAINTCLIPBOARD         = 777
	WM_PAINTICON              = 38
	WM_PALETTECHANGED         = 785
	WM_PALETTEISCHANGING      = 784
	WM_PARENTNOTIFY           = 528
	WM_PASTE                  = 770
	WM_PENWINFIRST            = 896
	WM_PENWINLAST             = 911
	WM_POWER                  = 72
	WM_POWERBROADCAST         = 536
	WM_PRINT                  = 791
	WM_PRINTCLIENT            = 792
	WM_QUERYDRAGICON          = 55
	WM_QUERYENDSESSION        = 17
	WM_QUERYNEWPALETTE        = 783
	WM_QUERYOPEN              = 19
	WM_QUEUESYNC              = 35
	WM_QUIT                   = 18
	WM_RENDERALLFORMATS       = 774
	WM_RENDERFORMAT           = 773
	WM_SETCURSOR              = 32
	WM_SETFOCUS               = 7
	WM_SETFONT                = 48
	WM_SETHOTKEY              = 50
	WM_SETICON                = 128
	WM_SETREDRAW              = 11
	WM_SETTEXT                = 12
	WM_SETTINGCHANGE          = 26
	WM_SHOWWINDOW             = 24
	WM_SIZE                   = 5
	WM_SIZECLIPBOARD          = 779
	WM_SIZING                 = 532
	WM_SPOOLERSTATUS          = 42
	WM_STYLECHANGED           = 125
	WM_STYLECHANGING          = 124
	WM_SYSCHAR                = 262
	WM_SYSCOLORCHANGE         = 21
	WM_SYSCOMMAND             = 274
	WM_SYSDEADCHAR            = 263
	WM_SYSKEYDOWN             = 260
	WM_SYSKEYUP               = 261
	WM_TCARD                  = 82
	WM_THEMECHANGED           = 794
	WM_TIMECHANGE             = 30
	WM_TIMER                  = 275
	WM_UNDO                   = 772
	WM_USER                   = 1024
	WM_USERCHANGED            = 84
	WM_VKEYTOITEM             = 46
	WM_VSCROLL                = 277
	WM_VSCROLLCLIPBOARD       = 778
	WM_WINDOWPOSCHANGED       = 71
	WM_WINDOWPOSCHANGING      = 70
	WM_WININICHANGE           = 26
	WM_KEYFIRST               = 256
	WM_KEYLAST                = 264
	WM_SYNCPAINT              = 136
	WM_MOUSEACTIVATE          = 33
	WM_MOUSEMOVE              = 512
	WM_LBUTTONDOWN            = 513
	WM_LBUTTONUP              = 514
	WM_LBUTTONDBLCLK          = 515
	WM_RBUTTONDOWN            = 516
	WM_RBUTTONUP              = 517
	WM_RBUTTONDBLCLK          = 518
	WM_MBUTTONDOWN            = 519
	WM_MBUTTONUP              = 520
	WM_MBUTTONDBLCLK          = 521
	WM_MOUSEWHEEL             = 522
	WM_MOUSEFIRST             = 512
	WM_XBUTTONDOWN            = 523
	WM_XBUTTONUP              = 524
	WM_XBUTTONDBLCLK          = 525
	WM_MOUSELAST              = 525
	WM_MOUSEHOVER             = 0X2A1
	WM_MOUSELEAVE             = 0X2A3
	WM_CLIPBOARDUPDATE        = 0x031D
)

const LF_FACESIZE = 32

// Font weight constants
const (
	FW_DONTCARE   = 0
	FW_THIN       = 100
	FW_EXTRALIGHT = 200
	FW_ULTRALIGHT = FW_EXTRALIGHT
	FW_LIGHT      = 300
	FW_NORMAL     = 400
	FW_REGULAR    = 400
	FW_MEDIUM     = 500
	FW_SEMIBOLD   = 600
	FW_DEMIBOLD   = FW_SEMIBOLD
	FW_BOLD       = 700
	FW_EXTRABOLD  = 800
	FW_ULTRABOLD  = FW_EXTRABOLD
	FW_HEAVY      = 900
	FW_BLACK      = FW_HEAVY
)

// Charset constants
const (
	ANSI_CHARSET        = 0
	DEFAULT_CHARSET     = 1
	SYMBOL_CHARSET      = 2
	SHIFTJIS_CHARSET    = 128
	HANGEUL_CHARSET     = 129
	HANGUL_CHARSET      = 129
	GB2312_CHARSET      = 134
	CHINESEBIG5_CHARSET = 136
	GREEK_CHARSET       = 161
	TURKISH_CHARSET     = 162
	HEBREW_CHARSET      = 177
	ARABIC_CHARSET      = 178
	BALTIC_CHARSET      = 186
	RUSSIAN_CHARSET     = 204
	THAI_CHARSET        = 222
	EASTEUROPE_CHARSET  = 238
	OEM_CHARSET         = 255
	JOHAB_CHARSET       = 130
	VIETNAMESE_CHARSET  = 163
	MAC_CHARSET         = 77
)

// Font output precision constants
const (
	OUT_DEFAULT_PRECIS   = 0
	OUT_STRING_PRECIS    = 1
	OUT_CHARACTER_PRECIS = 2
	OUT_STROKE_PRECIS    = 3
	OUT_TT_PRECIS        = 4
	OUT_DEVICE_PRECIS    = 5
	OUT_RASTER_PRECIS    = 6
	OUT_TT_ONLY_PRECIS   = 7
	OUT_OUTLINE_PRECIS   = 8
	OUT_PS_ONLY_PRECIS   = 10
)

// Font clipping precision constants
const (
	CLIP_DEFAULT_PRECIS   = 0
	CLIP_CHARACTER_PRECIS = 1
	CLIP_STROKE_PRECIS    = 2
	CLIP_MASK             = 15
	CLIP_LH_ANGLES        = 16
	CLIP_TT_ALWAYS        = 32
	CLIP_EMBEDDED         = 128
)

// Font output quality constants
const (
	DEFAULT_QUALITY        = 0
	DRAFT_QUALITY          = 1
	PROOF_QUALITY          = 2
	NONANTIALIASED_QUALITY = 3
	ANTIALIASED_QUALITY    = 4
	CLEARTYPE_QUALITY      = 5
)

// Font pitch constants
const (
	DEFAULT_PITCH  = 0
	FIXED_PITCH    = 1
	VARIABLE_PITCH = 2
)

// Font family constants
const (
	FF_DECORATIVE = 80
	FF_DONTCARE   = 0
	FF_MODERN     = 48
	FF_ROMAN      = 16
	FF_SCRIPT     = 64
	FF_SWISS      = 32
)

// DeviceCapabilities capabilities
const (
	DC_FIELDS            = 1
	DC_PAPERS            = 2
	DC_PAPERSIZE         = 3
	DC_MINEXTENT         = 4
	DC_MAXEXTENT         = 5
	DC_BINS              = 6
	DC_DUPLEX            = 7
	DC_SIZE              = 8
	DC_EXTRA             = 9
	DC_VERSION           = 10
	DC_DRIVER            = 11
	DC_BINNAMES          = 12
	DC_ENUMRESOLUTIONS   = 13
	DC_FILEDEPENDENCIES  = 14
	DC_TRUETYPE          = 15
	DC_PAPERNAMES        = 16
	DC_ORIENTATION       = 17
	DC_COPIES            = 18
	DC_BINADJUST         = 19
	DC_EMF_COMPLIANT     = 20
	DC_DATATYPE_PRODUCED = 21
	DC_COLLATE           = 22
	DC_MANUFACTURER      = 23
	DC_MODEL             = 24
	DC_PERSONALITY       = 25
	DC_PRINTRATE         = 26
	DC_PRINTRATEUNIT     = 27
	DC_PRINTERMEM        = 28
	DC_MEDIAREADY        = 29
	DC_STAPLE            = 30
	DC_PRINTRATEPPM      = 31
	DC_COLORDEVICE       = 32
	DC_NUP               = 33
	DC_MEDIATYPENAMES    = 34
	DC_MEDIATYPES        = 35
)

// GetDeviceCaps index constants
const (
	DRIVERVERSION   = 0
	TECHNOLOGY      = 2
	HORZSIZE        = 4
	VERTSIZE        = 6
	HORZRES         = 8
	VERTRES         = 10
	LOGPIXELSX      = 88
	LOGPIXELSY      = 90
	BITSPIXEL       = 12
	PLANES          = 14
	NUMBRUSHES      = 16
	NUMPENS         = 18
	NUMFONTS        = 22
	NUMCOLORS       = 24
	NUMMARKERS      = 20
	ASPECTX         = 40
	ASPECTY         = 42
	ASPECTXY        = 44
	PDEVICESIZE     = 26
	CLIPCAPS        = 36
	SIZEPALETTE     = 104
	NUMRESERVED     = 106
	COLORRES        = 108
	PHYSICALWIDTH   = 110
	PHYSICALHEIGHT  = 111
	PHYSICALOFFSETX = 112
	PHYSICALOFFSETY = 113
	SCALINGFACTORX  = 114
	SCALINGFACTORY  = 115
	VREFRESH        = 116
	DESKTOPHORZRES  = 118
	DESKTOPVERTRES  = 117
	BLTALIGNMENT    = 119
	SHADEBLENDCAPS  = 120
	COLORMGMTCAPS   = 121
	RASTERCAPS      = 38
	CURVECAPS       = 28
	LINECAPS        = 30
	POLYGONALCAPS   = 32
	TEXTCAPS        = 34
)

// GetDeviceCaps TECHNOLOGY constants
const (
	DT_PLOTTER    = 0
	DT_RASDISPLAY = 1
	DT_RASPRINTER = 2
	DT_RASCAMERA  = 3
	DT_CHARSTREAM = 4
	DT_METAFILE   = 5
	DT_DISPFILE   = 6
)

// GetDeviceCaps SHADEBLENDCAPS constants
const (
	SB_NONE          = 0x00
	SB_CONST_ALPHA   = 0x01
	SB_PIXEL_ALPHA   = 0x02
	SB_PREMULT_ALPHA = 0x04
	SB_GRAD_RECT     = 0x10
	SB_GRAD_TRI      = 0x20
)

// GetDeviceCaps COLORMGMTCAPS constants
const (
	CM_NONE       = 0x00
	CM_DEVICE_ICM = 0x01
	CM_GAMMA_RAMP = 0x02
	CM_CMYK_COLOR = 0x04
)

// GetDeviceCaps RASTERCAPS constants
const (
	RC_BANDING      = 2
	RC_BITBLT       = 1
	RC_BITMAP64     = 8
	RC_DI_BITMAP    = 128
	RC_DIBTODEV     = 512
	RC_FLOODFILL    = 4096
	RC_GDI20_OUTPUT = 16
	RC_PALETTE      = 256
	RC_SCALING      = 4
	RC_STRETCHBLT   = 2048
	RC_STRETCHDIB   = 8192
	RC_DEVBITS      = 0x8000
	RC_OP_DX_OUTPUT = 0x4000
)

// GetDeviceCaps CURVECAPS constants
const (
	CC_NONE       = 0
	CC_CIRCLES    = 1
	CC_PIE        = 2
	CC_CHORD      = 4
	CC_ELLIPSES   = 8
	CC_WIDE       = 16
	CC_STYLED     = 32
	CC_WIDESTYLED = 64
	CC_INTERIORS  = 128
	CC_ROUNDRECT  = 256
)

// GetDeviceCaps LINECAPS constants
const (
	LC_NONE       = 0
	LC_POLYLINE   = 2
	LC_MARKER     = 4
	LC_POLYMARKER = 8
	LC_WIDE       = 16
	LC_STYLED     = 32
	LC_WIDESTYLED = 64
	LC_INTERIORS  = 128
)

// GetDeviceCaps POLYGONALCAPS constants
const (
	PC_NONE        = 0
	PC_POLYGON     = 1
	PC_POLYPOLYGON = 256
	PC_PATHS       = 512
	PC_RECTANGLE   = 2
	PC_WINDPOLYGON = 4
	PC_SCANLINE    = 8
	PC_TRAPEZOID   = 4
	PC_WIDE        = 16
	PC_STYLED      = 32
	PC_WIDESTYLED  = 64
	PC_INTERIORS   = 128
)

// GetDeviceCaps TEXTCAPS constants
const (
	TC_OP_CHARACTER = 1
	TC_OP_STROKE    = 2
	TC_CP_STROKE    = 4
	TC_CR_90        = 8
	TC_CR_ANY       = 16
	TC_SF_X_YINDEP  = 32
	TC_SA_DOUBLE    = 64
	TC_SA_INTEGER   = 128
	TC_SA_CONTIN    = 256
	TC_EA_DOUBLE    = 512
	TC_IA_ABLE      = 1024
	TC_UA_ABLE      = 2048
	TC_SO_ABLE      = 4096
	TC_RA_ABLE      = 8192
	TC_VA_ABLE      = 16384
	TC_RESERVED     = 32768
	TC_SCROLLBLT    = 65536
)

// Static control styles
const (
	SS_BITMAP          = 14
	SS_BLACKFRAME      = 7
	SS_BLACKRECT       = 4
	SS_CENTER          = 1
	SS_CENTERIMAGE     = 512
	SS_EDITCONTROL     = 0x2000
	SS_ENHMETAFILE     = 15
	SS_ETCHEDFRAME     = 18
	SS_ETCHEDHORZ      = 16
	SS_ETCHEDVERT      = 17
	SS_GRAYFRAME       = 8
	SS_GRAYRECT        = 5
	SS_ICON            = 3
	SS_LEFT            = 0
	SS_LEFTNOWORDWRAP  = 0xc
	SS_NOPREFIX        = 128
	SS_NOTIFY          = 256
	SS_OWNERDRAW       = 0xd
	SS_REALSIZECONTROL = 0x040
	SS_REALSIZEIMAGE   = 0x800
	SS_RIGHT           = 2
	SS_RIGHTJUST       = 0x400
	SS_SIMPLE          = 11
	SS_SUNKEN          = 4096
	SS_WHITEFRAME      = 9
	SS_WHITERECT       = 6
	SS_USERITEM        = 10
	SS_TYPEMASK        = 0x0000001F
	SS_ENDELLIPSIS     = 0x00004000
	SS_PATHELLIPSIS    = 0x00008000
	SS_WORDELLIPSIS    = 0x0000C000
	SS_ELLIPSISMASK    = 0x0000C000
)

// Edit styles
const (
	ES_LEFT        = 0x0000
	ES_CENTER      = 0x0001
	ES_RIGHT       = 0x0002
	ES_MULTILINE   = 0x0004
	ES_UPPERCASE   = 0x0008
	ES_LOWERCASE   = 0x0010
	ES_PASSWORD    = 0x0020
	ES_AUTOVSCROLL = 0x0040
	ES_AUTOHSCROLL = 0x0080
	ES_NOHIDESEL   = 0x0100
	ES_OEMCONVERT  = 0x0400
	ES_READONLY    = 0x0800
	ES_WANTRETURN  = 0x1000
	ES_NUMBER      = 0x2000
)

// Edit notifications
const (
	EN_SETFOCUS     = 0x0100
	EN_KILLFOCUS    = 0x0200
	EN_CHANGE       = 0x0300
	EN_UPDATE       = 0x0400
	EN_ERRSPACE     = 0x0500
	EN_MAXTEXT      = 0x0501
	EN_HSCROLL      = 0x0601
	EN_VSCROLL      = 0x0602
	EN_ALIGN_LTR_EC = 0x0700
	EN_ALIGN_RTL_EC = 0x0701
)

// Edit messages
const (
	EM_GETSEL              = 0x00B0
	EM_SETSEL              = 0x00B1
	EM_GETRECT             = 0x00B2
	EM_SETRECT             = 0x00B3
	EM_SETRECTNP           = 0x00B4
	EM_SCROLL              = 0x00B5
	EM_LINESCROLL          = 0x00B6
	EM_SCROLLCARET         = 0x00B7
	EM_GETMODIFY           = 0x00B8
	EM_SETMODIFY           = 0x00B9
	EM_GETLINECOUNT        = 0x00BA
	EM_LINEINDEX           = 0x00BB
	EM_SETHANDLE           = 0x00BC
	EM_GETHANDLE           = 0x00BD
	EM_GETTHUMB            = 0x00BE
	EM_LINELENGTH          = 0x00C1
	EM_REPLACESEL          = 0x00C2
	EM_GETLINE             = 0x00C4
	EM_LIMITTEXT           = 0x00C5
	EM_CANUNDO             = 0x00C6
	EM_UNDO                = 0x00C7
	EM_FMTLINES            = 0x00C8
	EM_LINEFROMCHAR        = 0x00C9
	EM_SETTABSTOPS         = 0x00CB
	EM_SETPASSWORDCHAR     = 0x00CC
	EM_EMPTYUNDOBUFFER     = 0x00CD
	EM_GETFIRSTVISIBLELINE = 0x00CE
	EM_SETREADONLY         = 0x00CF
	EM_SETWORDBREAKPROC    = 0x00D0
	EM_GETWORDBREAKPROC    = 0x00D1
	EM_GETPASSWORDCHAR     = 0x00D2
	EM_SETMARGINS          = 0x00D3
	EM_GETMARGINS          = 0x00D4
	EM_SETLIMITTEXT        = EM_LIMITTEXT
	EM_GETLIMITTEXT        = 0x00D5
	EM_POSFROMCHAR         = 0x00D6
	EM_CHARFROMPOS         = 0x00D7
	EM_SETIMESTATUS        = 0x00D8
	EM_GETIMESTATUS        = 0x00D9
	EM_SETCUEBANNER        = 0x1501
	EM_GETCUEBANNER        = 0x1502
)

const (
	CCM_FIRST            = 0x2000
	CCM_LAST             = CCM_FIRST + 0x200
	CCM_SETBKCOLOR       = 8193
	CCM_SETCOLORSCHEME   = 8194
	CCM_GETCOLORSCHEME   = 8195
	CCM_GETDROPTARGET    = 8196
	CCM_SETUNICODEFORMAT = 8197
	CCM_GETUNICODEFORMAT = 8198
	CCM_SETVERSION       = 0x2007
	CCM_GETVERSION       = 0x2008
	CCM_SETNOTIFYWINDOW  = 0x2009
	CCM_SETWINDOWTHEME   = 0x200b
	CCM_DPISCALE         = 0x200c
)

// Common controls styles
const (
	CCS_TOP           = 1
	CCS_NOMOVEY       = 2
	CCS_BOTTOM        = 3
	CCS_NORESIZE      = 4
	CCS_NOPARENTALIGN = 8
	CCS_ADJUSTABLE    = 32
	CCS_NODIVIDER     = 64
	CCS_VERT          = 128
	CCS_LEFT          = 129
	CCS_NOMOVEX       = 130
	CCS_RIGHT         = 131
)

// ProgressBar messages
const (
	PROGRESS_CLASS  = "msctls_progress32"
	PBM_SETPOS      = WM_USER + 2
	PBM_DELTAPOS    = WM_USER + 3
	PBM_SETSTEP     = WM_USER + 4
	PBM_STEPIT      = WM_USER + 5
	PBM_SETRANGE32  = 1030
	PBM_GETRANGE    = 1031
	PBM_GETPOS      = 1032
	PBM_SETBARCOLOR = 1033
	PBM_SETBKCOLOR  = CCM_SETBKCOLOR
	PBS_SMOOTH      = 1
	PBS_VERTICAL    = 4
)

// GetOpenFileName and GetSaveFileName extended flags
const (
	OFN_EX_NOPLACESBAR = 0x00000001
)

// GetOpenFileName and GetSaveFileName flags
const (
	OFN_ALLOWMULTISELECT     = 0x00000200
	OFN_CREATEPROMPT         = 0x00002000
	OFN_DONTADDTORECENT      = 0x02000000
	OFN_ENABLEHOOK           = 0x00000020
	OFN_ENABLEINCLUDENOTIFY  = 0x00400000
	OFN_ENABLESIZING         = 0x00800000
	OFN_ENABLETEMPLATE       = 0x00000040
	OFN_ENABLETEMPLATEHANDLE = 0x00000080
	OFN_EXPLORER             = 0x00080000
	OFN_EXTENSIONDIFFERENT   = 0x00000400
	OFN_FILEMUSTEXIST        = 0x00001000
	OFN_FORCESHOWHIDDEN      = 0x10000000
	OFN_HIDEREADONLY         = 0x00000004
	OFN_LONGNAMES            = 0x00200000
	OFN_NOCHANGEDIR          = 0x00000008
	OFN_NODEREFERENCELINKS   = 0x00100000
	OFN_NOLONGNAMES          = 0x00040000
	OFN_NONETWORKBUTTON      = 0x00020000
	OFN_NOREADONLYRETURN     = 0x00008000
	OFN_NOTESTFILECREATE     = 0x00010000
	OFN_NOVALIDATE           = 0x00000100
	OFN_OVERWRITEPROMPT      = 0x00000002
	OFN_PATHMUSTEXIST        = 0x00000800
	OFN_READONLY             = 0x00000001
	OFN_SHAREAWARE           = 0x00004000
	OFN_SHOWHELP             = 0x00000010
)

//SHBrowseForFolder flags
const (
	BIF_RETURNONLYFSDIRS    = 0x00000001
	BIF_DONTGOBELOWDOMAIN   = 0x00000002
	BIF_STATUSTEXT          = 0x00000004
	BIF_RETURNFSANCESTORS   = 0x00000008
	BIF_EDITBOX             = 0x00000010
	BIF_VALIDATE            = 0x00000020
	BIF_NEWDIALOGSTYLE      = 0x00000040
	BIF_BROWSEINCLUDEURLS   = 0x00000080
	BIF_USENEWUI            = BIF_EDITBOX | BIF_NEWDIALOGSTYLE
	BIF_UAHINT              = 0x00000100
	BIF_NONEWFOLDERBUTTON   = 0x00000200
	BIF_NOTRANSLATETARGETS  = 0x00000400
	BIF_BROWSEFORCOMPUTER   = 0x00001000
	BIF_BROWSEFORPRINTER    = 0x00002000
	BIF_BROWSEINCLUDEFILES  = 0x00004000
	BIF_SHAREABLE           = 0x00008000
	BIF_BROWSEFILEJUNCTIONS = 0x00010000
)

//MessageBox flags
const (
	MB_OK                = 0x00000000
	MB_OKCANCEL          = 0x00000001
	MB_ABORTRETRYIGNORE  = 0x00000002
	MB_YESNOCANCEL       = 0x00000003
	MB_YESNO             = 0x00000004
	MB_RETRYCANCEL       = 0x00000005
	MB_CANCELTRYCONTINUE = 0x00000006
	MB_ICONHAND          = 0x00000010
	MB_ICONQUESTION      = 0x00000020
	MB_ICONEXCLAMATION   = 0x00000030
	MB_ICONASTERISK      = 0x00000040
	MB_USERICON          = 0x00000080
	MB_ICONWARNING       = MB_ICONEXCLAMATION
	MB_ICONERROR         = MB_ICONHAND
	MB_ICONINFORMATION   = MB_ICONASTERISK
	MB_ICONSTOP          = MB_ICONHAND
	MB_DEFBUTTON1        = 0x00000000
	MB_DEFBUTTON2        = 0x00000100
	MB_DEFBUTTON3        = 0x00000200
	MB_DEFBUTTON4        = 0x00000300
)

//COM 
const (
	E_INVALIDARG  = 0x80070057
	E_OUTOFMEMORY = 0x8007000E
	E_UNEXPECTED  = 0x8000FFFF
)

const (
	S_OK               = 0
	S_FALSE            = 0x0001
	RPC_E_CHANGED_MODE = 0x80010106
)

// GetSystemMetrics constants
const (
	SM_CXSCREEN             = 0
	SM_CYSCREEN             = 1
	SM_CXVSCROLL            = 2
	SM_CYHSCROLL            = 3
	SM_CYCAPTION            = 4
	SM_CXBORDER             = 5
	SM_CYBORDER             = 6
	SM_CXDLGFRAME           = 7
	SM_CYDLGFRAME           = 8
	SM_CYVTHUMB             = 9
	SM_CXHTHUMB             = 10
	SM_CXICON               = 11
	SM_CYICON               = 12
	SM_CXCURSOR             = 13
	SM_CYCURSOR             = 14
	SM_CYMENU               = 15
	SM_CXFULLSCREEN         = 16
	SM_CYFULLSCREEN         = 17
	SM_CYKANJIWINDOW        = 18
	SM_MOUSEPRESENT         = 19
	SM_CYVSCROLL            = 20
	SM_CXHSCROLL            = 21
	SM_DEBUG                = 22
	SM_SWAPBUTTON           = 23
	SM_RESERVED1            = 24
	SM_RESERVED2            = 25
	SM_RESERVED3            = 26
	SM_RESERVED4            = 27
	SM_CXMIN                = 28
	SM_CYMIN                = 29
	SM_CXSIZE               = 30
	SM_CYSIZE               = 31
	SM_CXFRAME              = 32
	SM_CYFRAME              = 33
	SM_CXMINTRACK           = 34
	SM_CYMINTRACK           = 35
	SM_CXDOUBLECLK          = 36
	SM_CYDOUBLECLK          = 37
	SM_CXICONSPACING        = 38
	SM_CYICONSPACING        = 39
	SM_MENUDROPALIGNMENT    = 40
	SM_PENWINDOWS           = 41
	SM_DBCSENABLED          = 42
	SM_CMOUSEBUTTONS        = 43
	SM_CXFIXEDFRAME         = SM_CXDLGFRAME
	SM_CYFIXEDFRAME         = SM_CYDLGFRAME
	SM_CXSIZEFRAME          = SM_CXFRAME
	SM_CYSIZEFRAME          = SM_CYFRAME
	SM_SECURE               = 44
	SM_CXEDGE               = 45
	SM_CYEDGE               = 46
	SM_CXMINSPACING         = 47
	SM_CYMINSPACING         = 48
	SM_CXSMICON             = 49
	SM_CYSMICON             = 50
	SM_CYSMCAPTION          = 51
	SM_CXSMSIZE             = 52
	SM_CYSMSIZE             = 53
	SM_CXMENUSIZE           = 54
	SM_CYMENUSIZE           = 55
	SM_ARRANGE              = 56
	SM_CXMINIMIZED          = 57
	SM_CYMINIMIZED          = 58
	SM_CXMAXTRACK           = 59
	SM_CYMAXTRACK           = 60
	SM_CXMAXIMIZED          = 61
	SM_CYMAXIMIZED          = 62
	SM_NETWORK              = 63
	SM_CLEANBOOT            = 67
	SM_CXDRAG               = 68
	SM_CYDRAG               = 69
	SM_SHOWSOUNDS           = 70
	SM_CXMENUCHECK          = 71
	SM_CYMENUCHECK          = 72
	SM_SLOWMACHINE          = 73
	SM_MIDEASTENABLED       = 74
	SM_MOUSEWHEELPRESENT    = 75
	SM_XVIRTUALSCREEN       = 76
	SM_YVIRTUALSCREEN       = 77
	SM_CXVIRTUALSCREEN      = 78
	SM_CYVIRTUALSCREEN      = 79
	SM_CMONITORS            = 80
	SM_SAMEDISPLAYFORMAT    = 81
	SM_IMMENABLED           = 82
	SM_CXFOCUSBORDER        = 83
	SM_CYFOCUSBORDER        = 84
	SM_TABLETPC             = 86
	SM_MEDIACENTER          = 87
	SM_STARTER              = 88
	SM_SERVERR2             = 89
	SM_CMETRICS             = 91
	SM_REMOTESESSION        = 0x1000
	SM_SHUTTINGDOWN         = 0x2000
	SM_REMOTECONTROL        = 0x2001
	SM_CARETBLINKINGENABLED = 0x2002
)

const (
	CLSCTX_INPROC_SERVER   = 1
	CLSCTX_INPROC_HANDLER  = 2
	CLSCTX_LOCAL_SERVER    = 4
	CLSCTX_INPROC_SERVER16 = 8
	CLSCTX_REMOTE_SERVER   = 16
	CLSCTX_ALL             = CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER
	CLSCTX_INPROC          = CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER
	CLSCTX_SERVER          = CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER
)

const (
	COINIT_APARTMENTTHREADED = 0x2
	COINIT_MULTITHREADED     = 0x0
	COINIT_DISABLE_OLE1DDE   = 0x4
	COINIT_SPEED_OVER_MEMORY = 0x8
)

const (
	DISPATCH_METHOD         = 1
	DISPATCH_PROPERTYGET    = 2
	DISPATCH_PROPERTYPUT    = 4
	DISPATCH_PROPERTYPUTREF = 8
)

const (
	CC_FASTCALL = iota
	CC_CDECL
	CC_MSCPASCAL
	CC_PASCAL = CC_MSCPASCAL
	CC_MACPASCAL
	CC_STDCALL
	CC_FPFASTCALL
	CC_SYSCALL
	CC_MPWCDECL
	CC_MPWPASCAL
	CC_MAX = CC_MPWPASCAL
)

const (
	VT_EMPTY           = 0x0
	VT_NULL            = 0x1
	VT_I2              = 0x2
	VT_I4              = 0x3
	VT_R4              = 0x4
	VT_R8              = 0x5
	VT_CY              = 0x6
	VT_DATE            = 0x7
	VT_BSTR            = 0x8
	VT_DISPATCH        = 0x9
	VT_ERROR           = 0xa
	VT_BOOL            = 0xb
	VT_VARIANT         = 0xc
	VT_UNKNOWN         = 0xd
	VT_DECIMAL         = 0xe
	VT_I1              = 0x10
	VT_UI1             = 0x11
	VT_UI2             = 0x12
	VT_UI4             = 0x13
	VT_I8              = 0x14
	VT_UI8             = 0x15
	VT_INT             = 0x16
	VT_UINT            = 0x17
	VT_VOID            = 0x18
	VT_HRESULT         = 0x19
	VT_PTR             = 0x1a
	VT_SAFEARRAY       = 0x1b
	VT_CARRAY          = 0x1c
	VT_USERDEFINED     = 0x1d
	VT_LPSTR           = 0x1e
	VT_LPWSTR          = 0x1f
	VT_RECORD          = 0x24
	VT_INT_PTR         = 0x25
	VT_UINT_PTR        = 0x26
	VT_FILETIME        = 0x40
	VT_BLOB            = 0x41
	VT_STREAM          = 0x42
	VT_STORAGE         = 0x43
	VT_STREAMED_OBJECT = 0x44
	VT_STORED_OBJECT   = 0x45
	VT_BLOB_OBJECT     = 0x46
	VT_CF              = 0x47
	VT_CLSID           = 0x48
	VT_BSTR_BLOB       = 0xfff
	VT_VECTOR          = 0x1000
	VT_ARRAY           = 0x2000
	VT_BYREF           = 0x4000
	VT_RESERVED        = 0x8000
	VT_ILLEGAL         = 0xffff
	VT_ILLEGALMASKED   = 0xfff
	VT_TYPEMASK        = 0xfff
)

const (
	DISPID_UNKNOWN     = -1
	DISPID_VALUE       = 0
	DISPID_PROPERTYPUT = -3
	DISPID_NEWENUM     = -4
	DISPID_EVALUATE    = -5
	DISPID_CONSTRUCTOR = -6
	DISPID_DESTRUCTOR  = -7
	DISPID_COLLECT     = -8
)

const (
	CCHDEVICENAME = 32
	CCHFORMNAME   = 32
)

const (
	IDOK       = 1
	IDCANCEL   = 2
	IDABORT    = 3
	IDRETRY    = 4
	IDIGNORE   = 5
	IDYES      = 6
	IDNO       = 7
	IDCLOSE    = 8
	IDHELP     = 9
	IDTRYAGAIN = 10
	IDCONTINUE = 11
	IDTIMEOUT  = 32000
)

// Generic WM_NOTIFY notification codes
const (
	NM_FIRST           = 0
	NM_OUTOFMEMORY     = NM_FIRST - 1
	NM_CLICK           = NM_FIRST - 2
	NM_DBLCLK          = NM_FIRST - 3
	NM_RETURN          = NM_FIRST - 4
	NM_RCLICK          = NM_FIRST - 5
	NM_RDBLCLK         = NM_FIRST - 6
	NM_SETFOCUS        = NM_FIRST - 7
	NM_KILLFOCUS       = NM_FIRST - 8
	NM_CUSTOMDRAW      = NM_FIRST - 12
	NM_HOVER           = NM_FIRST - 13
	NM_NCHITTEST       = NM_FIRST - 14
	NM_KEYDOWN         = NM_FIRST - 15
	NM_RELEASEDCAPTURE = NM_FIRST - 16
	NM_SETCURSOR       = NM_FIRST - 17
	NM_CHAR            = NM_FIRST - 18
	NM_TOOLTIPSCREATED = NM_FIRST - 19
	NM_LAST            = NM_FIRST - 99
)

// ListView messages
const (
	LVM_FIRST                    = 0x1000
	LVM_GETITEMCOUNT             = LVM_FIRST + 4
	LVM_SETIMAGELIST             = LVM_FIRST + 3
	LVM_GETIMAGELIST             = LVM_FIRST + 2
	LVM_GETITEM                  = LVM_FIRST + 75
	LVM_SETITEM                  = LVM_FIRST + 76
	LVM_INSERTITEM               = LVM_FIRST + 77
	LVM_DELETEITEM               = LVM_FIRST + 8
	LVM_DELETEALLITEMS           = LVM_FIRST + 9
	LVM_GETCALLBACKMASK          = LVM_FIRST + 10
	LVM_SETCALLBACKMASK          = LVM_FIRST + 11
	LVM_SETUNICODEFORMAT         = CCM_SETUNICODEFORMAT
	LVM_GETNEXTITEM              = LVM_FIRST + 12
	LVM_FINDITEM                 = LVM_FIRST + 83
	LVM_GETITEMRECT              = LVM_FIRST + 14
	LVM_GETSTRINGWIDTH           = LVM_FIRST + 87
	LVM_HITTEST                  = LVM_FIRST + 18
	LVM_ENSUREVISIBLE            = LVM_FIRST + 19
	LVM_SCROLL                   = LVM_FIRST + 20
	LVM_REDRAWITEMS              = LVM_FIRST + 21
	LVM_ARRANGE                  = LVM_FIRST + 22
	LVM_EDITLABEL                = LVM_FIRST + 118
	LVM_GETEDITCONTROL           = LVM_FIRST + 24
	LVM_GETCOLUMN                = LVM_FIRST + 95
	LVM_SETCOLUMN                = LVM_FIRST + 96
	LVM_INSERTCOLUMN             = LVM_FIRST + 97
	LVM_DELETECOLUMN             = LVM_FIRST + 28
	LVM_GETCOLUMNWIDTH           = LVM_FIRST + 29
	LVM_SETCOLUMNWIDTH           = LVM_FIRST + 30
	LVM_GETHEADER                = LVM_FIRST + 31
	LVM_CREATEDRAGIMAGE          = LVM_FIRST + 33
	LVM_GETVIEWRECT              = LVM_FIRST + 34
	LVM_GETTEXTCOLOR             = LVM_FIRST + 35
	LVM_SETTEXTCOLOR             = LVM_FIRST + 36
	LVM_GETTEXTBKCOLOR           = LVM_FIRST + 37
	LVM_SETTEXTBKCOLOR           = LVM_FIRST + 38
	LVM_GETTOPINDEX              = LVM_FIRST + 39
	LVM_GETCOUNTPERPAGE          = LVM_FIRST + 40
	LVM_GETORIGIN                = LVM_FIRST + 41
	LVM_UPDATE                   = LVM_FIRST + 42
	LVM_SETITEMSTATE             = LVM_FIRST + 43
	LVM_GETITEMSTATE             = LVM_FIRST + 44
	LVM_GETITEMTEXT              = LVM_FIRST + 115
	LVM_SETITEMTEXT              = LVM_FIRST + 116
	LVM_SETITEMCOUNT             = LVM_FIRST + 47
	LVM_SORTITEMS                = LVM_FIRST + 48
	LVM_SETITEMPOSITION32        = LVM_FIRST + 49
	LVM_GETSELECTEDCOUNT         = LVM_FIRST + 50
	LVM_GETITEMSPACING           = LVM_FIRST + 51
	LVM_GETISEARCHSTRING         = LVM_FIRST + 117
	LVM_SETICONSPACING           = LVM_FIRST + 53
	LVM_SETEXTENDEDLISTVIEWSTYLE = LVM_FIRST + 54
	LVM_GETEXTENDEDLISTVIEWSTYLE = LVM_FIRST + 55
	LVM_GETSUBITEMRECT           = LVM_FIRST + 56
	LVM_SUBITEMHITTEST           = LVM_FIRST + 57
	LVM_SETCOLUMNORDERARRAY      = LVM_FIRST + 58
	LVM_GETCOLUMNORDERARRAY      = LVM_FIRST + 59
	LVM_SETHOTITEM               = LVM_FIRST + 60
	LVM_GETHOTITEM               = LVM_FIRST + 61
	LVM_SETHOTCURSOR             = LVM_FIRST + 62
	LVM_GETHOTCURSOR             = LVM_FIRST + 63
	LVM_APPROXIMATEVIEWRECT      = LVM_FIRST + 64
	LVM_SETWORKAREAS             = LVM_FIRST + 65
	LVM_GETWORKAREAS             = LVM_FIRST + 70
	LVM_GETNUMBEROFWORKAREAS     = LVM_FIRST + 73
	LVM_GETSELECTIONMARK         = LVM_FIRST + 66
	LVM_SETSELECTIONMARK         = LVM_FIRST + 67
	LVM_SETHOVERTIME             = LVM_FIRST + 71
	LVM_GETHOVERTIME             = LVM_FIRST + 72
	LVM_SETTOOLTIPS              = LVM_FIRST + 74
	LVM_GETTOOLTIPS              = LVM_FIRST + 78
	LVM_SORTITEMSEX              = LVM_FIRST + 81
	LVM_SETBKIMAGE               = LVM_FIRST + 138
	LVM_GETBKIMAGE               = LVM_FIRST + 139
	LVM_SETSELECTEDCOLUMN        = LVM_FIRST + 140
	LVM_SETVIEW                  = LVM_FIRST + 142
	LVM_GETVIEW                  = LVM_FIRST + 143
	LVM_INSERTGROUP              = LVM_FIRST + 145
	LVM_SETGROUPINFO             = LVM_FIRST + 147
	LVM_GETGROUPINFO             = LVM_FIRST + 149
	LVM_REMOVEGROUP              = LVM_FIRST + 150
	LVM_MOVEGROUP                = LVM_FIRST + 151
	LVM_GETGROUPCOUNT            = LVM_FIRST + 152
	LVM_GETGROUPINFOBYINDEX      = LVM_FIRST + 153
	LVM_MOVEITEMTOGROUP          = LVM_FIRST + 154
	LVM_GETGROUPRECT             = LVM_FIRST + 98
	LVM_SETGROUPMETRICS          = LVM_FIRST + 155
	LVM_GETGROUPMETRICS          = LVM_FIRST + 156
	LVM_ENABLEGROUPVIEW          = LVM_FIRST + 157
	LVM_SORTGROUPS               = LVM_FIRST + 158
	LVM_INSERTGROUPSORTED        = LVM_FIRST + 159
	LVM_REMOVEALLGROUPS          = LVM_FIRST + 160
	LVM_HASGROUP                 = LVM_FIRST + 161
	LVM_GETGROUPSTATE            = LVM_FIRST + 92
	LVM_GETFOCUSEDGROUP          = LVM_FIRST + 93
	LVM_SETTILEVIEWINFO          = LVM_FIRST + 162
	LVM_GETTILEVIEWINFO          = LVM_FIRST + 163
	LVM_SETTILEINFO              = LVM_FIRST + 164
	LVM_GETTILEINFO              = LVM_FIRST + 165
	LVM_SETINSERTMARK            = LVM_FIRST + 166
	LVM_GETINSERTMARK            = LVM_FIRST + 167
	LVM_INSERTMARKHITTEST        = LVM_FIRST + 168
	LVM_GETINSERTMARKRECT        = LVM_FIRST + 169
	LVM_SETINSERTMARKCOLOR       = LVM_FIRST + 170
	LVM_GETINSERTMARKCOLOR       = LVM_FIRST + 171
	LVM_SETINFOTIP               = LVM_FIRST + 173
	LVM_GETSELECTEDCOLUMN        = LVM_FIRST + 174
	LVM_ISGROUPVIEWENABLED       = LVM_FIRST + 175
	LVM_GETOUTLINECOLOR          = LVM_FIRST + 176
	LVM_SETOUTLINECOLOR          = LVM_FIRST + 177
	LVM_CANCELEDITLABEL          = LVM_FIRST + 179
	LVM_MAPINDEXTOID             = LVM_FIRST + 180
	LVM_MAPIDTOINDEX             = LVM_FIRST + 181
	LVM_ISITEMVISIBLE            = LVM_FIRST + 182
	LVM_GETNEXTITEMINDEX         = LVM_FIRST + 211
)

// ListView notifications
const (
	LVN_FIRST = -100

	LVN_ITEMCHANGING      = LVN_FIRST - 0
	LVN_ITEMCHANGED       = LVN_FIRST - 1
	LVN_INSERTITEM        = LVN_FIRST - 2
	LVN_DELETEITEM        = LVN_FIRST - 3
	LVN_DELETEALLITEMS    = LVN_FIRST - 4
	LVN_BEGINLABELEDITA   = LVN_FIRST - 5
	LVN_BEGINLABELEDITW   = LVN_FIRST - 75
	LVN_ENDLABELEDITA     = LVN_FIRST - 6
	LVN_ENDLABELEDITW     = LVN_FIRST - 76
	LVN_COLUMNCLICK       = LVN_FIRST - 8
	LVN_BEGINDRAG         = LVN_FIRST - 9
	LVN_BEGINRDRAG        = LVN_FIRST - 11
	LVN_ODCACHEHINT       = LVN_FIRST - 13
	LVN_ODFINDITEMA       = LVN_FIRST - 52
	LVN_ODFINDITEMW       = LVN_FIRST - 79
	LVN_ITEMACTIVATE      = LVN_FIRST - 14
	LVN_ODSTATECHANGED    = LVN_FIRST - 15
	LVN_HOTTRACK          = LVN_FIRST - 21
	LVN_GETDISPINFO       = LVN_FIRST - 77
	LVN_SETDISPINFO       = LVN_FIRST - 78
	LVN_KEYDOWN           = LVN_FIRST - 55
	LVN_MARQUEEBEGIN      = LVN_FIRST - 56
	LVN_GETINFOTIP        = LVN_FIRST - 58
	LVN_INCREMENTALSEARCH = LVN_FIRST - 63
	LVN_BEGINSCROLL       = LVN_FIRST - 80
	LVN_ENDSCROLL         = LVN_FIRST - 81
)

// ListView LVNI constants
const (
	LVNI_ALL         = 0
	LVNI_FOCUSED     = 1
	LVNI_SELECTED    = 2
	LVNI_CUT         = 4
	LVNI_DROPHILITED = 8
	LVNI_ABOVE       = 256
	LVNI_BELOW       = 512
	LVNI_TOLEFT      = 1024
	LVNI_TORIGHT     = 2048
)

// ListView styles
const (
	LVS_ICON            = 0x0000
	LVS_REPORT          = 0x0001
	LVS_SMALLICON       = 0x0002
	LVS_LIST            = 0x0003
	LVS_TYPEMASK        = 0x0003
	LVS_SINGLESEL       = 0x0004
	LVS_SHOWSELALWAYS   = 0x0008
	LVS_SORTASCENDING   = 0x0010
	LVS_SORTDESCENDING  = 0x0020
	LVS_SHAREIMAGELISTS = 0x0040
	LVS_NOLABELWRAP     = 0x0080
	LVS_AUTOARRANGE     = 0x0100
	LVS_EDITLABELS      = 0x0200
	LVS_OWNERDATA       = 0x1000
	LVS_NOSCROLL        = 0x2000
	LVS_TYPESTYLEMASK   = 0xfc00
	LVS_ALIGNTOP        = 0x0000
	LVS_ALIGNLEFT       = 0x0800
	LVS_ALIGNMASK       = 0x0c00
	LVS_OWNERDRAWFIXED  = 0x0400
	LVS_NOCOLUMNHEADER  = 0x4000
	LVS_NOSORTHEADER    = 0x8000
)

// ListView extended styles
const (
	LVS_EX_GRIDLINES        = 0x00000001
	LVS_EX_SUBITEMIMAGES    = 0x00000002
	LVS_EX_CHECKBOXES       = 0x00000004
	LVS_EX_TRACKSELECT      = 0x00000008
	LVS_EX_HEADERDRAGDROP   = 0x00000010
	LVS_EX_FULLROWSELECT    = 0x00000020
	LVS_EX_ONECLICKACTIVATE = 0x00000040
	LVS_EX_TWOCLICKACTIVATE = 0x00000080
	LVS_EX_FLATSB           = 0x00000100
	LVS_EX_REGIONAL         = 0x00000200
	LVS_EX_INFOTIP          = 0x00000400
	LVS_EX_UNDERLINEHOT     = 0x00000800
	LVS_EX_UNDERLINECOLD    = 0x00001000
	LVS_EX_MULTIWORKAREAS   = 0x00002000
	LVS_EX_LABELTIP         = 0x00004000
	LVS_EX_BORDERSELECT     = 0x00008000
	LVS_EX_DOUBLEBUFFER     = 0x00010000
	LVS_EX_HIDELABELS       = 0x00020000
	LVS_EX_SINGLEROW        = 0x00040000
	LVS_EX_SNAPTOGRID       = 0x00080000
	LVS_EX_SIMPLESELECT     = 0x00100000
)

// ListView column flags
const (
	LVCF_FMT     = 0x0001
	LVCF_WIDTH   = 0x0002
	LVCF_TEXT    = 0x0004
	LVCF_SUBITEM = 0x0008
	LVCF_IMAGE   = 0x0010
	LVCF_ORDER   = 0x0020
)

// ListView column format constants
const (
	LVCFMT_LEFT            = 0x0000
	LVCFMT_RIGHT           = 0x0001
	LVCFMT_CENTER          = 0x0002
	LVCFMT_JUSTIFYMASK     = 0x0003
	LVCFMT_IMAGE           = 0x0800
	LVCFMT_BITMAP_ON_RIGHT = 0x1000
	LVCFMT_COL_HAS_IMAGES  = 0x8000
)

// ListView item flags
const (
	LVIF_TEXT        = 0x00000001
	LVIF_IMAGE       = 0x00000002
	LVIF_PARAM       = 0x00000004
	LVIF_STATE       = 0x00000008
	LVIF_INDENT      = 0x00000010
	LVIF_NORECOMPUTE = 0x00000800
	LVIF_GROUPID     = 0x00000100
	LVIF_COLUMNS     = 0x00000200
)

// ListView item states
const (
	LVIS_FOCUSED        = 1
	LVIS_SELECTED       = 2
	LVIS_CUT            = 4
	LVIS_DROPHILITED    = 8
	LVIS_OVERLAYMASK    = 0xF00
	LVIS_STATEIMAGEMASK = 0xF000
)

// ListView hit test constants
const (
	LVHT_NOWHERE         = 0x00000001
	LVHT_ONITEMICON      = 0x00000002
	LVHT_ONITEMLABEL     = 0x00000004
	LVHT_ONITEMSTATEICON = 0x00000008
	LVHT_ONITEM          = LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON

	LVHT_ABOVE   = 0x00000008
	LVHT_BELOW   = 0x00000010
	LVHT_TORIGHT = 0x00000020
	LVHT_TOLEFT  = 0x00000040
)

// ListView image list types
const (
	LVSIL_NORMAL      = 0
	LVSIL_SMALL       = 1
	LVSIL_STATE       = 2
	LVSIL_GROUPHEADER = 3
)

// InitCommonControlsEx flags
const (
	ICC_LISTVIEW_CLASSES   = 1
	ICC_TREEVIEW_CLASSES   = 2
	ICC_BAR_CLASSES        = 4
	ICC_TAB_CLASSES        = 8
	ICC_UPDOWN_CLASS       = 16
	ICC_PROGRESS_CLASS     = 32
	ICC_HOTKEY_CLASS       = 64
	ICC_ANIMATE_CLASS      = 128
	ICC_WIN95_CLASSES      = 255
	ICC_DATE_CLASSES       = 256
	ICC_USEREX_CLASSES     = 512
	ICC_COOL_CLASSES       = 1024
	ICC_INTERNET_CLASSES   = 2048
	ICC_PAGESCROLLER_CLASS = 4096
	ICC_NATIVEFNTCTL_CLASS = 8192
	INFOTIPSIZE            = 1024
	ICC_STANDARD_CLASSES   = 0x00004000
	ICC_LINK_CLASS         = 0x00008000
)

// Dialog Codes
const (
	DLGC_WANTARROWS      = 0x0001
	DLGC_WANTTAB         = 0x0002
	DLGC_WANTALLKEYS     = 0x0004
	DLGC_WANTMESSAGE     = 0x0004
	DLGC_HASSETSEL       = 0x0008
	DLGC_DEFPUSHBUTTON   = 0x0010
	DLGC_UNDEFPUSHBUTTON = 0x0020
	DLGC_RADIOBUTTON     = 0x0040
	DLGC_WANTCHARS       = 0x0080
	DLGC_STATIC          = 0x0100
	DLGC_BUTTON          = 0x2000
)

// Get/SetWindowWord/Long offsets for use with WC_DIALOG windows
const (
	DWL_MSGRESULT = 0
	DWL_DLGPROC   = 4
	DWL_USER      = 8
)

// Registry predefined keys
const (
	HKEY_CLASSES_ROOT     HKEY = 0x80000000
	HKEY_CURRENT_USER     HKEY = 0x80000001
	HKEY_LOCAL_MACHINE    HKEY = 0x80000002
	HKEY_USERS            HKEY = 0x80000003
	HKEY_PERFORMANCE_DATA HKEY = 0x80000004
	HKEY_CURRENT_CONFIG   HKEY = 0x80000005
	HKEY_DYN_DATA         HKEY = 0x80000006
)

// Registry Key Security and Access Rights
const (
	KEY_ALL_ACCESS         = 0xF003F
	KEY_CREATE_SUB_KEY     = 0x0004
	KEY_ENUMERATE_SUB_KEYS = 0x0008
	KEY_NOTIFY             = 0x0010
	KEY_QUERY_VALUE        = 0x0001
	KEY_SET_VALUE          = 0x0002
	KEY_READ               = 0x20019
	KEY_WRITE              = 0x20006
)

const (
	NFR_ANSI    = 1
	NFR_UNICODE = 2
	NF_QUERY    = 3
	NF_REQUERY  = 4
)

// Registry value types
const (
	RRF_RT_REG_NONE         = 0x00000001
	RRF_RT_REG_SZ           = 0x00000002
	RRF_RT_REG_EXPAND_SZ    = 0x00000004
	RRF_RT_REG_BINARY       = 0x00000008
	RRF_RT_REG_DWORD        = 0x00000010
	RRF_RT_REG_MULTI_SZ     = 0x00000020
	RRF_RT_REG_QWORD        = 0x00000040
	RRF_RT_DWORD            = (RRF_RT_REG_BINARY | RRF_RT_REG_DWORD)
	RRF_RT_QWORD            = (RRF_RT_REG_BINARY | RRF_RT_REG_QWORD)
	RRF_RT_ANY              = 0x0000ffff
	RRF_NOEXPAND            = 0x10000000
	RRF_ZEROONFAILURE       = 0x20000000
	REG_PROCESS_APPKEY      = 0x00000001
	REG_MUI_STRING_TRUNCATE = 0x00000001
)

// PeekMessage wRemoveMsg value
const (
	PM_NOREMOVE = 0x000
	PM_REMOVE   = 0x001
	PM_NOYIELD  = 0x002
)

// ImageList flags
const (
	ILC_MASK             = 0x00000001
	ILC_COLOR            = 0x00000000
	ILC_COLORDDB         = 0x000000FE
	ILC_COLOR4           = 0x00000004
	ILC_COLOR8           = 0x00000008
	ILC_COLOR16          = 0x00000010
	ILC_COLOR24          = 0x00000018
	ILC_COLOR32          = 0x00000020
	ILC_PALETTE          = 0x00000800
	ILC_MIRROR           = 0x00002000
	ILC_PERITEMMIRROR    = 0x00008000
	ILC_ORIGINALSIZE     = 0x00010000
	ILC_HIGHQUALITYSCALE = 0x00020000
)

// Virtual-Key Codes
const (
	VK_LBUTTON             = 0x01
	VK_RBUTTON             = 0x02
	VK_CANCEL              = 0x03
	VK_MBUTTON             = 0x04
	VK_XBUTTON1            = 0x05
	VK_XBUTTON2            = 0x06
	VK_BACK                = 0x08
	VK_TAB                 = 0x09
	VK_CLEAR               = 0x0C
	VK_RETURN              = 0x0D
	VK_SHIFT               = 0x10
	VK_CONTROL             = 0x11
	VK_MENU                = 0x12
	VK_PAUSE               = 0x13
	VK_CAPITAL             = 0x14
	VK_KANA                = 0x15
	VK_HANGEUL             = 0x15
	VK_HANGUL              = 0x15
	VK_JUNJA               = 0x17
	VK_FINAL               = 0x18
	VK_HANJA               = 0x19
	VK_KANJI               = 0x19
	VK_ESCAPE              = 0x1B
	VK_CONVERT             = 0x1C
	VK_NONCONVERT          = 0x1D
	VK_ACCEPT              = 0x1E
	VK_MODECHANGE          = 0x1F
	VK_SPACE               = 0x20
	VK_PRIOR               = 0x21
	VK_NEXT                = 0x22
	VK_END                 = 0x23
	VK_HOME                = 0x24
	VK_LEFT                = 0x25
	VK_UP                  = 0x26
	VK_RIGHT               = 0x27
	VK_DOWN                = 0x28
	VK_SELECT              = 0x29
	VK_PRINT               = 0x2A
	VK_EXECUTE             = 0x2B
	VK_SNAPSHOT            = 0x2C
	VK_INSERT              = 0x2D
	VK_DELETE              = 0x2E
	VK_HELP                = 0x2F
	VK_LWIN                = 0x5B
	VK_RWIN                = 0x5C
	VK_APPS                = 0x5D
	VK_SLEEP               = 0x5F
	VK_NUMPAD0             = 0x60
	VK_NUMPAD1             = 0x61
	VK_NUMPAD2             = 0x62
	VK_NUMPAD3             = 0x63
	VK_NUMPAD4             = 0x64
	VK_NUMPAD5             = 0x65
	VK_NUMPAD6             = 0x66
	VK_NUMPAD7             = 0x67
	VK_NUMPAD8             = 0x68
	VK_NUMPAD9             = 0x69
	VK_MULTIPLY            = 0x6A
	VK_ADD                 = 0x6B
	VK_SEPARATOR           = 0x6C
	VK_SUBTRACT            = 0x6D
	VK_DECIMAL             = 0x6E
	VK_DIVIDE              = 0x6F
	VK_F1                  = 0x70
	VK_F2                  = 0x71
	VK_F3                  = 0x72
	VK_F4                  = 0x73
	VK_F5                  = 0x74
	VK_F6                  = 0x75
	VK_F7                  = 0x76
	VK_F8                  = 0x77
	VK_F9                  = 0x78
	VK_F10                 = 0x79
	VK_F11                 = 0x7A
	VK_F12                 = 0x7B
	VK_F13                 = 0x7C
	VK_F14                 = 0x7D
	VK_F15                 = 0x7E
	VK_F16                 = 0x7F
	VK_F17                 = 0x80
	VK_F18                 = 0x81
	VK_F19                 = 0x82
	VK_F20                 = 0x83
	VK_F21                 = 0x84
	VK_F22                 = 0x85
	VK_F23                 = 0x86
	VK_F24                 = 0x87
	VK_NUMLOCK             = 0x90
	VK_SCROLL              = 0x91
	VK_OEM_NEC_EQUAL       = 0x92
	VK_OEM_FJ_JISHO        = 0x92
	VK_OEM_FJ_MASSHOU      = 0x93
	VK_OEM_FJ_TOUROKU      = 0x94
	VK_OEM_FJ_LOYA         = 0x95
	VK_OEM_FJ_ROYA         = 0x96
	VK_LSHIFT              = 0xA0
	VK_RSHIFT              = 0xA1
	VK_LCONTROL            = 0xA2
	VK_RCONTROL            = 0xA3
	VK_LMENU               = 0xA4
	VK_RMENU               = 0xA5
	VK_BROWSER_BACK        = 0xA6
	VK_BROWSER_FORWARD     = 0xA7
	VK_BROWSER_REFRESH     = 0xA8
	VK_BROWSER_STOP        = 0xA9
	VK_BROWSER_SEARCH      = 0xAA
	VK_BROWSER_FAVORITES   = 0xAB
	VK_BROWSER_HOME        = 0xAC
	VK_VOLUME_MUTE         = 0xAD
	VK_VOLUME_DOWN         = 0xAE
	VK_VOLUME_UP           = 0xAF
	VK_MEDIA_NEXT_TRACK    = 0xB0
	VK_MEDIA_PREV_TRACK    = 0xB1
	VK_MEDIA_STOP          = 0xB2
	VK_MEDIA_PLAY_PAUSE    = 0xB3
	VK_LAUNCH_MAIL         = 0xB4
	VK_LAUNCH_MEDIA_SELECT = 0xB5
	VK_LAUNCH_APP1         = 0xB6
	VK_LAUNCH_APP2         = 0xB7
	VK_OEM_1               = 0xBA
	VK_OEM_PLUS            = 0xBB
	VK_OEM_COMMA           = 0xBC
	VK_OEM_MINUS           = 0xBD
	VK_OEM_PERIOD          = 0xBE
	VK_OEM_2               = 0xBF
	VK_OEM_3               = 0xC0
	VK_OEM_4               = 0xDB
	VK_OEM_5               = 0xDC
	VK_OEM_6               = 0xDD
	VK_OEM_7               = 0xDE
	VK_OEM_8               = 0xDF
	VK_OEM_AX              = 0xE1
	VK_OEM_102             = 0xE2
	VK_ICO_HELP            = 0xE3
	VK_ICO_00              = 0xE4
	VK_PROCESSKEY          = 0xE5
	VK_ICO_CLEAR           = 0xE6
	VK_OEM_RESET           = 0xE9
	VK_OEM_JUMP            = 0xEA
	VK_OEM_PA1             = 0xEB
	VK_OEM_PA2             = 0xEC
	VK_OEM_PA3             = 0xED
	VK_OEM_WSCTRL          = 0xEE
	VK_OEM_CUSEL           = 0xEF
	VK_OEM_ATTN            = 0xF0
	VK_OEM_FINISH          = 0xF1
	VK_OEM_COPY            = 0xF2
	VK_OEM_AUTO            = 0xF3
	VK_OEM_ENLW            = 0xF4
	VK_OEM_BACKTAB         = 0xF5
	VK_ATTN                = 0xF6
	VK_CRSEL               = 0xF7
	VK_EXSEL               = 0xF8
	VK_EREOF               = 0xF9
	VK_PLAY                = 0xFA
	VK_ZOOM                = 0xFB
	VK_NONAME              = 0xFC
	VK_PA1                 = 0xFD
	VK_OEM_CLEAR           = 0xFE
)

// Registry Value Types
const (
	REG_NONE                       = 0
	REG_SZ                         = 1
	REG_EXPAND_SZ                  = 2
	REG_BINARY                     = 3
	REG_DWORD                      = 4
	REG_DWORD_LITTLE_ENDIAN        = 4
	REG_DWORD_BIG_ENDIAN           = 5
	REG_LINK                       = 6
	REG_MULTI_SZ                   = 7
	REG_RESOURCE_LIST              = 8
	REG_FULL_RESOURCE_DESCRIPTOR   = 9
	REG_RESOURCE_REQUIREMENTS_LIST = 10
	REG_QWORD                      = 11
	REG_QWORD_LITTLE_ENDIAN        = 11
)

// Tooltip styles
const (
	TTS_ALWAYSTIP      = 0x01
	TTS_NOPREFIX       = 0x02
	TTS_NOANIMATE      = 0x10
	TTS_NOFADE         = 0x20
	TTS_BALLOON        = 0x40
	TTS_CLOSE          = 0x80
	TTS_USEVISUALSTYLE = 0x100
)

// Tooltip messages
const (
	TTM_ACTIVATE        = (WM_USER + 1)
	TTM_SETDELAYTIME    = (WM_USER + 3)
	TTM_ADDTOOL         = (WM_USER + 50)
	TTM_DELTOOL         = (WM_USER + 51)
	TTM_NEWTOOLRECT     = (WM_USER + 52)
	TTM_RELAYEVENT      = (WM_USER + 7)
	TTM_GETTOOLINFO     = (WM_USER + 53)
	TTM_SETTOOLINFO     = (WM_USER + 54)
	TTM_HITTEST         = (WM_USER + 55)
	TTM_GETTEXT         = (WM_USER + 56)
	TTM_UPDATETIPTEXT   = (WM_USER + 57)
	TTM_GETTOOLCOUNT    = (WM_USER + 13)
	TTM_ENUMTOOLS       = (WM_USER + 58)
	TTM_GETCURRENTTOOL  = (WM_USER + 59)
	TTM_WINDOWFROMPOINT = (WM_USER + 16)
	TTM_TRACKACTIVATE   = (WM_USER + 17)
	TTM_TRACKPOSITION   = (WM_USER + 18)
	TTM_SETTIPBKCOLOR   = (WM_USER + 19)
	TTM_SETTIPTEXTCOLOR = (WM_USER + 20)
	TTM_GETDELAYTIME    = (WM_USER + 21)
	TTM_GETTIPBKCOLOR   = (WM_USER + 22)
	TTM_GETTIPTEXTCOLOR = (WM_USER + 23)
	TTM_SETMAXTIPWIDTH  = (WM_USER + 24)
	TTM_GETMAXTIPWIDTH  = (WM_USER + 25)
	TTM_SETMARGIN       = (WM_USER + 26)
	TTM_GETMARGIN       = (WM_USER + 27)
	TTM_POP             = (WM_USER + 28)
	TTM_UPDATE          = (WM_USER + 29)
	TTM_GETBUBBLESIZE   = (WM_USER + 30)
	TTM_ADJUSTRECT      = (WM_USER + 31)
	TTM_SETTITLE        = (WM_USER + 33)
	TTM_POPUP           = (WM_USER + 34)
	TTM_GETTITLE        = (WM_USER + 35)
)

// Tooltip icons
const (
	TTI_NONE          = 0
	TTI_INFO          = 1
	TTI_WARNING       = 2
	TTI_ERROR         = 3
	TTI_INFO_LARGE    = 4
	TTI_WARNING_LARGE = 5
	TTI_ERROR_LARGE   = 6
)

// Tooltip notifications
const (
	TTN_FIRST       = -520
	TTN_LAST        = -549
	TTN_GETDISPINFO = (TTN_FIRST - 10)
	TTN_SHOW        = (TTN_FIRST - 1)
	TTN_POP         = (TTN_FIRST - 2)
	TTN_LINKCLICK   = (TTN_FIRST - 3)
	TTN_NEEDTEXT    = TTN_GETDISPINFO
)

const (
	TTF_IDISHWND    = 0x0001
	TTF_CENTERTIP   = 0x0002
	TTF_RTLREADING  = 0x0004
	TTF_SUBCLASS    = 0x0010
	TTF_TRACK       = 0x0020
	TTF_ABSOLUTE    = 0x0080
	TTF_TRANSPARENT = 0x0100
	TTF_PARSELINKS  = 0x1000
	TTF_DI_SETITEM  = 0x8000
)

const (
	SWP_NOSIZE         = 0x0001
	SWP_NOMOVE         = 0x0002
	SWP_NOZORDER       = 0x0004
	SWP_NOREDRAW       = 0x0008
	SWP_NOACTIVATE     = 0x0010
	SWP_FRAMECHANGED   = 0x0020
	SWP_SHOWWINDOW     = 0x0040
	SWP_HIDEWINDOW     = 0x0080
	SWP_NOCOPYBITS     = 0x0100
	SWP_NOOWNERZORDER  = 0x0200
	SWP_NOSENDCHANGING = 0x0400
	SWP_DRAWFRAME      = SWP_FRAMECHANGED
	SWP_NOREPOSITION   = SWP_NOOWNERZORDER
	SWP_DEFERERASE     = 0x2000
	SWP_ASYNCWINDOWPOS = 0x4000
)

// Predefined window handles
const (
	HWND_BROADCAST = HWND(0xFFFF)
	HWND_BOTTOM    = HWND(1)
	HWND_NOTOPMOST = ^HWND(1) // -2
	HWND_TOP       = HWND(0)
	HWND_TOPMOST   = ^HWND(0) // -1
	HWND_DESKTOP   = HWND(0)
	HWND_MESSAGE   = ^HWND(2) // -3
)

// Pen types
const (
	PS_COSMETIC  = 0x00000000
	PS_GEOMETRIC = 0x00010000
	PS_TYPE_MASK = 0x000F0000
)

// Pen styles
const (
	PS_SOLID       = 0
	PS_DASH        = 1
	PS_DOT         = 2
	PS_DASHDOT     = 3
	PS_DASHDOTDOT  = 4
	PS_NULL        = 5
	PS_INSIDEFRAME = 6
	PS_USERSTYLE   = 7
	PS_ALTERNATE   = 8
	PS_STYLE_MASK  = 0x0000000F
)

// Pen cap types
const (
	PS_ENDCAP_ROUND  = 0x00000000
	PS_ENDCAP_SQUARE = 0x00000100
	PS_ENDCAP_FLAT   = 0x00000200
	PS_ENDCAP_MASK   = 0x00000F00
)

// Pen join types
const (
	PS_JOIN_ROUND = 0x00000000
	PS_JOIN_BEVEL = 0x00001000
	PS_JOIN_MITER = 0x00002000
	PS_JOIN_MASK  = 0x0000F000
)

// Hatch styles
const (
	HS_HORIZONTAL = 0
	HS_VERTICAL   = 1
	HS_FDIAGONAL  = 2
	HS_BDIAGONAL  = 3
	HS_CROSS      = 4
	HS_DIAGCROSS  = 5
)

// Brush styles
const (
	BS_SOLID         = 0
	BS_NULL          = 1
	BS_HOLLOW        = BS_NULL
	BS_HATCHED       = 2
	BS_PATTERN       = 3
	BS_INDEXED       = 4
	BS_DIBPATTERN    = 5
	BS_DIBPATTERNPT  = 6
	BS_PATTERN8X8    = 7
	BS_DIBPATTERN8X8 = 8
	BS_MONOPATTERN   = 9
)

// TRACKMOUSEEVENT flags
const (
	TME_HOVER     = 0x00000001
	TME_LEAVE     = 0x00000002
	TME_NONCLIENT = 0x00000010
	TME_QUERY     = 0x40000000
	TME_CANCEL    = 0x80000000

	HOVER_DEFAULT = 0xFFFFFFFF
)

// WM_NCHITTEST and MOUSEHOOKSTRUCT Mouse Position Codes
const (
	HTERROR       = (-2)
	HTTRANSPARENT = (-1)
	HTNOWHERE     = 0
	HTCLIENT      = 1
	HTCAPTION     = 2
	HTSYSMENU     = 3
	HTGROWBOX     = 4
	HTSIZE        = HTGROWBOX
	HTMENU        = 5
	HTHSCROLL     = 6
	HTVSCROLL     = 7
	HTMINBUTTON   = 8
	HTMAXBUTTON   = 9
	HTLEFT        = 10
	HTRIGHT       = 11
	HTTOP         = 12
	HTTOPLEFT     = 13
	HTTOPRIGHT    = 14
	HTBOTTOM      = 15
	HTBOTTOMLEFT  = 16
	HTBOTTOMRIGHT = 17
	HTBORDER      = 18
	HTREDUCE      = HTMINBUTTON
	HTZOOM        = HTMAXBUTTON
	HTSIZEFIRST   = HTLEFT
	HTSIZELAST    = HTBOTTOMRIGHT
	HTOBJECT      = 19
	HTCLOSE       = 20
	HTHELP        = 21
)

// DrawText[Ex] format flags
const (
	DT_TOP                  = 0x00000000
	DT_LEFT                 = 0x00000000
	DT_CENTER               = 0x00000001
	DT_RIGHT                = 0x00000002
	DT_VCENTER              = 0x00000004
	DT_BOTTOM               = 0x00000008
	DT_WORDBREAK            = 0x00000010
	DT_SINGLELINE           = 0x00000020
	DT_EXPANDTABS           = 0x00000040
	DT_TABSTOP              = 0x00000080
	DT_NOCLIP               = 0x00000100
	DT_EXTERNALLEADING      = 0x00000200
	DT_CALCRECT             = 0x00000400
	DT_NOPREFIX             = 0x00000800
	DT_INTERNAL             = 0x00001000
	DT_EDITCONTROL          = 0x00002000
	DT_PATH_ELLIPSIS        = 0x00004000
	DT_END_ELLIPSIS         = 0x00008000
	DT_MODIFYSTRING         = 0x00010000
	DT_RTLREADING           = 0x00020000
	DT_WORD_ELLIPSIS        = 0x00040000
	DT_NOFULLWIDTHCHARBREAK = 0x00080000
	DT_HIDEPREFIX           = 0x00100000
	DT_PREFIXONLY           = 0x00200000
)

const CLR_INVALID = 0xFFFFFFFF

// Background Modes
const (
	TRANSPARENT = 1
	OPAQUE      = 2
	BKMODE_LAST = 2
)

// Global Memory Flags
const (
	GMEM_FIXED          = 0x0000
	GMEM_MOVEABLE       = 0x0002
	GMEM_NOCOMPACT      = 0x0010
	GMEM_NODISCARD      = 0x0020
	GMEM_ZEROINIT       = 0x0040
	GMEM_MODIFY         = 0x0080
	GMEM_DISCARDABLE    = 0x0100
	GMEM_NOT_BANKED     = 0x1000
	GMEM_SHARE          = 0x2000
	GMEM_DDESHARE       = 0x2000
	GMEM_NOTIFY         = 0x4000
	GMEM_LOWER          = GMEM_NOT_BANKED
	GMEM_VALID_FLAGS    = 0x7F72
	GMEM_INVALID_HANDLE = 0x8000
	GHND                = (GMEM_MOVEABLE | GMEM_ZEROINIT)
	GPTR                = (GMEM_FIXED | GMEM_ZEROINIT)
)

// Ternary raster operations
const (
	SRCCOPY        = 0x00CC0020
	SRCPAINT       = 0x00EE0086
	SRCAND         = 0x008800C6
	SRCINVERT      = 0x00660046
	SRCERASE       = 0x00440328
	NOTSRCCOPY     = 0x00330008
	NOTSRCERASE    = 0x001100A6
	MERGECOPY      = 0x00C000CA
	MERGEPAINT     = 0x00BB0226
	PATCOPY        = 0x00F00021
	PATPAINT       = 0x00FB0A09
	PATINVERT      = 0x005A0049
	DSTINVERT      = 0x00550009
	BLACKNESS      = 0x00000042
	WHITENESS      = 0x00FF0062
	NOMIRRORBITMAP = 0x80000000
	CAPTUREBLT     = 0x40000000
)

// Clipboard formats
const (
	CF_TEXT            = 1
	CF_BITMAP          = 2
	CF_METAFILEPICT    = 3
	CF_SYLK            = 4
	CF_DIF             = 5
	CF_TIFF            = 6
	CF_OEMTEXT         = 7
	CF_DIB             = 8
	CF_PALETTE         = 9
	CF_PENDATA         = 10
	CF_RIFF            = 11
	CF_WAVE            = 12
	CF_UNICODETEXT     = 13
	CF_ENHMETAFILE     = 14
	CF_HDROP           = 15
	CF_LOCALE          = 16
	CF_DIBV5           = 17
	CF_MAX             = 18
	CF_OWNERDISPLAY    = 0x0080
	CF_DSPTEXT         = 0x0081
	CF_DSPBITMAP       = 0x0082
	CF_DSPMETAFILEPICT = 0x0083
	CF_DSPENHMETAFILE  = 0x008E
	CF_PRIVATEFIRST    = 0x0200
	CF_PRIVATELAST     = 0x02FF
	CF_GDIOBJFIRST     = 0x0300
	CF_GDIOBJLAST      = 0x03FF
)

// Bitmap compression formats
const (
	BI_RGB       = 0
	BI_RLE8      = 1
	BI_RLE4      = 2
	BI_BITFIELDS = 3
	BI_JPEG      = 4
	BI_PNG       = 5
)

// SetDIBitsToDevice fuColorUse
const (
	DIB_PAL_COLORS = 1
	DIB_RGB_COLORS = 0
)

const (
	STANDARD_RIGHTS_REQUIRED = 0x000F
)

// Service Control Manager object specific access types
const (
	SC_MANAGER_CONNECT            = 0x0001
	SC_MANAGER_CREATE_SERVICE     = 0x0002
	SC_MANAGER_ENUMERATE_SERVICE  = 0x0004
	SC_MANAGER_LOCK               = 0x0008
	SC_MANAGER_QUERY_LOCK_STATUS  = 0x0010
	SC_MANAGER_MODIFY_BOOT_CONFIG = 0x0020
	SC_MANAGER_ALL_ACCESS         = STANDARD_RIGHTS_REQUIRED | SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE | SC_MANAGER_ENUMERATE_SERVICE | SC_MANAGER_LOCK | SC_MANAGER_QUERY_LOCK_STATUS | SC_MANAGER_MODIFY_BOOT_CONFIG
)

// Service Types (Bit Mask) 
const (
	SERVICE_KERNEL_DRIVER       = 0x00000001
	SERVICE_FILE_SYSTEM_DRIVER  = 0x00000002
	SERVICE_ADAPTER             = 0x00000004
	SERVICE_RECOGNIZER_DRIVER   = 0x00000008
	SERVICE_DRIVER              = SERVICE_KERNEL_DRIVER | SERVICE_FILE_SYSTEM_DRIVER | SERVICE_RECOGNIZER_DRIVER
	SERVICE_WIN32_OWN_PROCESS   = 0x00000010
	SERVICE_WIN32_SHARE_PROCESS = 0x00000020
	SERVICE_WIN32               = SERVICE_WIN32_OWN_PROCESS | SERVICE_WIN32_SHARE_PROCESS
	SERVICE_INTERACTIVE_PROCESS = 0x00000100
	SERVICE_TYPE_ALL            = SERVICE_WIN32 | SERVICE_ADAPTER | SERVICE_DRIVER | SERVICE_INTERACTIVE_PROCESS
)

// Service State -- for CurrentState
const (
	SERVICE_STOPPED          = 0x00000001
	SERVICE_START_PENDING    = 0x00000002
	SERVICE_STOP_PENDING     = 0x00000003
	SERVICE_RUNNING          = 0x00000004
	SERVICE_CONTINUE_PENDING = 0x00000005
	SERVICE_PAUSE_PENDING    = 0x00000006
	SERVICE_PAUSED           = 0x00000007
)

// Controls Accepted  (Bit Mask)
const (
	SERVICE_ACCEPT_STOP                  = 0x00000001
	SERVICE_ACCEPT_PAUSE_CONTINUE        = 0x00000002
	SERVICE_ACCEPT_SHUTDOWN              = 0x00000004
	SERVICE_ACCEPT_PARAMCHANGE           = 0x00000008
	SERVICE_ACCEPT_NETBINDCHANGE         = 0x00000010
	SERVICE_ACCEPT_HARDWAREPROFILECHANGE = 0x00000020
	SERVICE_ACCEPT_POWEREVENT            = 0x00000040
	SERVICE_ACCEPT_SESSIONCHANGE         = 0x00000080
	SERVICE_ACCEPT_PRESHUTDOWN           = 0x00000100
	SERVICE_ACCEPT_TIMECHANGE            = 0x00000200
	SERVICE_ACCEPT_TRIGGEREVENT          = 0x00000400
)

// Service object specific access type
const (
	SERVICE_QUERY_CONFIG         = 0x0001
	SERVICE_CHANGE_CONFIG        = 0x0002
	SERVICE_QUERY_STATUS         = 0x0004
	SERVICE_ENUMERATE_DEPENDENTS = 0x0008
	SERVICE_START                = 0x0010
	SERVICE_STOP                 = 0x0020
	SERVICE_PAUSE_CONTINUE       = 0x0040
	SERVICE_INTERROGATE          = 0x0080
	SERVICE_USER_DEFINED_CONTROL = 0x0100

	SERVICE_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED |
		SERVICE_QUERY_CONFIG |
		SERVICE_CHANGE_CONFIG |
		SERVICE_QUERY_STATUS |
		SERVICE_ENUMERATE_DEPENDENTS |
		SERVICE_START |
		SERVICE_STOP |
		SERVICE_PAUSE_CONTINUE |
		SERVICE_INTERROGATE |
		SERVICE_USER_DEFINED_CONTROL
)

// MapVirtualKey maptypes
const (
	MAPVK_VK_TO_CHAR   = 2
	MAPVK_VK_TO_VSC    = 0
	MAPVK_VSC_TO_VK    = 1
	MAPVK_VSC_TO_VK_EX = 3
)

// ReadEventLog Flags
const (
	EVENTLOG_SEEK_READ       = 0x0002
	EVENTLOG_SEQUENTIAL_READ = 0x0001
	EVENTLOG_FORWARDS_READ   = 0x0004
	EVENTLOG_BACKWARDS_READ  = 0x0008
)

// CreateToolhelp32Snapshot flags
const (
	TH32CS_SNAPHEAPLIST = 0x00000001
	TH32CS_SNAPPROCESS  = 0x00000002
	TH32CS_SNAPTHREAD   = 0x00000004
	TH32CS_SNAPMODULE   = 0x00000008
	TH32CS_SNAPMODULE32 = 0x00000010
	TH32CS_INHERIT      = 0x80000000
	TH32CS_SNAPALL      = TH32CS_SNAPHEAPLIST | TH32CS_SNAPMODULE | TH32CS_SNAPPROCESS | TH32CS_SNAPTHREAD
)

const (
	MAX_MODULE_NAME32 = 255
	MAX_PATH          = 260
)

const (
	FOREGROUND_BLUE            = 0x0001
	FOREGROUND_GREEN           = 0x0002
	FOREGROUND_RED             = 0x0004
	FOREGROUND_INTENSITY       = 0x0008
	BACKGROUND_BLUE            = 0x0010
	BACKGROUND_GREEN           = 0x0020
	BACKGROUND_RED             = 0x0040
	BACKGROUND_INTENSITY       = 0x0080
	COMMON_LVB_LEADING_BYTE    = 0x0100
	COMMON_LVB_TRAILING_BYTE   = 0x0200
	COMMON_LVB_GRID_HORIZONTAL = 0x0400
	COMMON_LVB_GRID_LVERTICAL  = 0x0800
	COMMON_LVB_GRID_RVERTICAL  = 0x1000
	COMMON_LVB_REVERSE_VIDEO   = 0x4000
	COMMON_LVB_UNDERSCORE      = 0x8000
)

// Flags used by the DWM_BLURBEHIND structure to indicate
// which of its members contain valid information.
const (
	DWM_BB_ENABLE                = 0x00000001 //     A value for the fEnable member has been specified.
	DWM_BB_BLURREGION            = 0x00000002 //     A value for the hRgnBlur member has been specified.
	DWM_BB_TRANSITIONONMAXIMIZED = 0x00000004 //     A value for the fTransitionOnMaximized member has been specified.
)

// Flags used by the DwmEnableComposition  function
// to change the state of Desktop Window Manager (DWM) composition.
const (
	DWM_EC_DISABLECOMPOSITION = 0 //     Disable composition
	DWM_EC_ENABLECOMPOSITION  = 1 //     Enable composition
)

// enum-lite implementation for the following constant structure
type DWM_SHOWCONTACT int32

const (
	DWMSC_DOWN      = 0x00000001
	DWMSC_UP        = 0x00000002
	DWMSC_DRAG      = 0x00000004
	DWMSC_HOLD      = 0x00000008
	DWMSC_PENBARREL = 0x00000010
	DWMSC_NONE      = 0x00000000
	DWMSC_ALL       = 0xFFFFFFFF
)

// enum-lite implementation for the following constant structure
type DWM_SOURCE_FRAME_SAMPLING int32

// TODO: need to verify this construction
// Flags used by the DwmSetPresentParameters function
// to specify the frame sampling type
const (
	DWM_SOURCE_FRAME_SAMPLING_POINT = iota + 1
	DWM_SOURCE_FRAME_SAMPLING_COVERAGE
	DWM_SOURCE_FRAME_SAMPLING_LAST
)

// Flags used by the DWM_THUMBNAIL_PROPERTIES structure to
// indicate which of its members contain valid information.
const (
	DWM_TNP_RECTDESTINATION      = 0x00000001 //    A value for the rcDestination member has been specified
	DWM_TNP_RECTSOURCE           = 0x00000002 //    A value for the rcSource member has been specified
	DWM_TNP_OPACITY              = 0x00000004 //    A value for the opacity member has been specified
	DWM_TNP_VISIBLE              = 0x00000008 //    A value for the fVisible member has been specified
	DWM_TNP_SOURCECLIENTAREAONLY = 0x00000010 //    A value for the fSourceClientAreaOnly member has been specified
)

// enum-lite implementation for the following constant structure
type DWMFLIP3DWINDOWPOLICY int32

// TODO: need to verify this construction
// Flags used by the DwmSetWindowAttribute function
// to specify the Flip3D window policy
const (
	DWMFLIP3D_DEFAULT = iota + 1
	DWMFLIP3D_EXCLUDEBELOW
	DWMFLIP3D_EXCLUDEABOVE
	DWMFLIP3D_LAST
)

// enum-lite implementation for the following constant structure
type DWMNCRENDERINGPOLICY int32

// TODO: need to verify this construction
// Flags used by the DwmSetWindowAttribute function
// to specify the non-client area rendering policy
const (
	DWMNCRP_USEWINDOWSTYLE = iota + 1
	DWMNCRP_DISABLED
	DWMNCRP_ENABLED
	DWMNCRP_LAST
)

// enum-lite implementation for the following constant structure
type DWMTRANSITION_OWNEDWINDOW_TARGET int32

const (
	DWMTRANSITION_OWNEDWINDOW_NULL       = -1
	DWMTRANSITION_OWNEDWINDOW_REPOSITION = 0
)

// enum-lite implementation for the following constant structure
type DWMWINDOWATTRIBUTE int32

// TODO: need to verify this construction
// Flags used by the DwmGetWindowAttribute and DwmSetWindowAttribute functions
// to specify window attributes for non-client rendering
const (
	DWMWA_NCRENDERING_ENABLED = iota + 1
	DWMWA_NCRENDERING_POLICY
	DWMWA_TRANSITIONS_FORCEDISABLED
	DWMWA_ALLOW_NCPAINT
	DWMWA_CAPTION_BUTTON_BOUNDS
	DWMWA_NONCLIENT_RTL_LAYOUT
	DWMWA_FORCE_ICONIC_REPRESENTATION
	DWMWA_FLIP3D_POLICY
	DWMWA_EXTENDED_FRAME_BOUNDS
	DWMWA_HAS_ICONIC_BITMAP
	DWMWA_DISALLOW_PEEK
	DWMWA_EXCLUDED_FROM_PEEK
	DWMWA_CLOAK
	DWMWA_CLOAKED
	DWMWA_FREEZE_REPRESENTATION
	DWMWA_LAST
)

// enum-lite implementation for the following constant structure
type GESTURE_TYPE int32

// TODO: use iota?
// Identifies the gesture type
const (
	GT_PEN_TAP                 = 0
	GT_PEN_DOUBLETAP           = 1
	GT_PEN_RIGHTTAP            = 2
	GT_PEN_PRESSANDHOLD        = 3
	GT_PEN_PRESSANDHOLDABORT   = 4
	GT_TOUCH_TAP               = 5
	GT_TOUCH_DOUBLETAP         = 6
	GT_TOUCH_RIGHTTAP          = 7
	GT_TOUCH_PRESSANDHOLD      = 8
	GT_TOUCH_PRESSANDHOLDABORT = 9
	GT_TOUCH_PRESSANDTAP       = 10
)