Below is a list of all the standard Windows Messages which can be used as an argument for functions such as the PostMessage() and SendMessage() Win32 functions.

Messages

Message	Value	MSDN Link
WM_NULL	0x0000
WM_CREATE	0x0001
WM_DESTROY	0x0002
WM_MOVE	0x0003
WM_SIZE	0x0005
WM_ACTIVATE	0x0006
WM_SETFOCUS	0x0007
WM_KILLFOCUS	0x0008
WM_ENABLE	0x000A
WM_SETREDRAW	0x000B
WM_SETTEXT	0x000C
WM_GETTEXT	0x000D
WM_GETTEXTLENGTH	0x000E
WM_PAINT	0x000F
WM_CLOSE	0x0010
WM_QUERYENDSESSION	0x0011
WM_QUERYOPEN	0x0013
WM_ENDSESSION	0x0016
WM_QUIT	0x0012
WM_ERASEBKGND	0x0014
WM_SYSCOLORCHANGE	0x0015
WM_SHOWWINDOW	0x0018
WM_WININICHANGE	0x001A
WM_SETTINGCHANGE	WM_WININICHANGE
WM_DEVMODECHANGE	0x001B
WM_ACTIVATEAPP	0x001C
WM_FONTCHANGE	0x001D
WM_TIMECHANGE	0x001E
WM_CANCELMODE	0x001F
WM_SETCURSOR	0x0020
WM_MOUSEACTIVATE	0x0021
WM_CHILDACTIVATE	0x0022
WM_QUEUESYNC	0x0023
WM_GETMINMAXINFO	0x0024
WM_PAINTICON	0x0026
WM_ICONERASEBKGND	0x0027
WM_NEXTDLGCTL	0x0028
WM_SPOOLERSTATUS	0x002A
WM_DRAWITEM	0x002B
WM_MEASUREITEM	0x002C
WM_DELETEITEM	0x002D
WM_VKEYTOITEM	0x002E
WM_CHARTOITEM	0x002F
WM_SETFONT	0x0030
WM_GETFONT	0x0031
WM_SETHOTKEY	0x0032
WM_GETHOTKEY	0x0033
WM_QUERYDRAGICON	0x0037
WM_COMPAREITEM	0x0039
WM_GETOBJECT	0x003D
WM_COMPACTING	0x0041
WM_COMMNOTIFY	0x0044
WM_WINDOWPOSCHANGING	0x0046
WM_WINDOWPOSCHANGED	0x0047
WM_POWER	0x0048
WM_COPYDATA	0x004A
WM_CANCELJOURNAL	0x004B
WM_NOTIFY	0x004E
WM_INPUTLANGCHANGEREQUEST	0x0050
WM_INPUTLANGCHANGE	0x0051
WM_TCARD	0x0052
WM_HELP	0x0053
WM_USERCHANGED	0x0054
WM_NOTIFYFORMAT	0x0055
WM_CONTEXTMENU	0x007B
WM_STYLECHANGING	0x007C
WM_STYLECHANGED	0x007D
WM_DISPLAYCHANGE	0x007E
WM_GETICON	0x007F
WM_SETICON	0x0080
WM_NCCREATE	0x0081
WM_NCDESTROY	0x0082
WM_NCCALCSIZE	0x0083
WM_NCHITTEST	0x0084
WM_NCPAINT	0x0085
WM_NCACTIVATE	0x0086
WM_GETDLGCODE	0x0087
WM_SYNCPAINT	0x0088
WM_NCMOUSEMOVE	0x00A0
WM_NCLBUTTONDOWN	0x00A1
WM_NCLBUTTONUP	0x00A2
WM_NCLBUTTONDBLCLK	0x00A3
WM_NCRBUTTONDOWN	0x00A4
WM_NCRBUTTONUP	0x00A5
WM_NCRBUTTONDBLCLK	0x00A6
WM_NCMBUTTONDOWN	0x00A7
WM_NCMBUTTONUP	0x00A8
WM_NCMBUTTONDBLCLK	0x00A9
WM_NCXBUTTONDOWN	0x00AB
WM_NCXBUTTONUP	0x00AC
WM_NCXBUTTONDBLCLK	0x00AD
WM_INPUT_DEVICE_CHANGE	0x00FE
WM_INPUT	0x00FF
WM_KEYFIRST	0x0100
WM_KEYDOWN	0x0100
WM_KEYUP	0x0101
WM_CHAR	0x0102
WM_DEADCHAR	0x0103
WM_SYSKEYDOWN	0x0104
WM_SYSKEYUP	0x0105
WM_SYSCHAR	0x0106
WM_SYSDEADCHAR	0x0107
WM_UNICHAR	0x0109
WM_KEYLAST	0x0109
WM_KEYLAST	0x0108
WM_IME_STARTCOMPOSITION	0x010D
WM_IME_ENDCOMPOSITION	0x010E
WM_IME_COMPOSITION	0x010F
WM_IME_KEYLAST	0x010F
WM_INITDIALOG	0x0110
WM_COMMAND	0x0111
WM_SYSCOMMAND	0x0112
WM_TIMER	0x0113
WM_HSCROLL	0x0114
WM_VSCROLL	0x0115
WM_INITMENU	0x0116
WM_INITMENUPOPUP	0x0117
WM_GESTURE	0x0119
WM_GESTURENOTIFY	0x011A
WM_MENUSELECT	0x011F
WM_MENUCHAR	0x0120
WM_ENTERIDLE	0x0121
WM_MENURBUTTONUP	0x0122
WM_MENUDRAG	0x0123
WM_MENUGETOBJECT	0x0124
WM_UNINITMENUPOPUP	0x0125
WM_MENUCOMMAND	0x0126
WM_CHANGEUISTATE	0x0127
WM_UPDATEUISTATE	0x0128
WM_QUERYUISTATE	0x0129
WM_CTLCOLORMSGBOX	0x0132
WM_CTLCOLOREDIT	0x0133
WM_CTLCOLORLISTBOX	0x0134
WM_CTLCOLORBTN	0x0135
WM_CTLCOLORDLG	0x0136
WM_CTLCOLORSCROLLBAR	0x0137
WM_CTLCOLORSTATIC	0x0138
WM_MOUSEFIRST	0x0200
WM_MOUSEMOVE	0x0200
WM_LBUTTONDOWN	0x0201
WM_LBUTTONUP	0x0202
WM_LBUTTONDBLCLK	0x0203
WM_RBUTTONDOWN	0x0204
WM_RBUTTONUP	0x0205
WM_RBUTTONDBLCLK	0x0206
WM_MBUTTONDOWN	0x0207
WM_MBUTTONUP	0x0208
WM_MBUTTONDBLCLK	0x0209
WM_MOUSEWHEEL	0x020A
WM_XBUTTONDOWN	0x020B
WM_XBUTTONUP	0x020C
WM_XBUTTONDBLCLK	0x020D
WM_MOUSEHWHEEL	0x020E
WM_MOUSELAST	0x020E
WM_MOUSELAST	0x020D
WM_MOUSELAST	0x020A
WM_MOUSELAST	0x0209
WM_PARENTNOTIFY	0x0210
WM_ENTERMENULOOP	0x0211
WM_EXITMENULOOP	0x0212
WM_NEXTMENU	0x0213
WM_SIZING	0x0214
WM_CAPTURECHANGED	0x0215
WM_MOVING	0x0216
WM_POWERBROADCAST	0x0218
WM_DEVICECHANGE	0x0219
WM_MDICREATE	0x0220
WM_MDIDESTROY	0x0221
WM_MDIACTIVATE	0x0222
WM_MDIRESTORE	0x0223
WM_MDINEXT	0x0224
WM_MDIMAXIMIZE	0x0225
WM_MDITILE	0x0226
WM_MDICASCADE	0x0227
WM_MDIICONARRANGE	0x0228
WM_MDIGETACTIVE	0x0229
WM_MDISETMENU	0x0230
WM_ENTERSIZEMOVE	0x0231
WM_EXITSIZEMOVE	0x0232
WM_DROPFILES	0x0233
WM_MDIREFRESHMENU	0x0234
WM_POINTERDEVICECHANGE	0x238
WM_POINTERDEVICEINRANGE	0x239
WM_POINTERDEVICEOUTOFRANGE	0x23A
WM_TOUCH	0x0240
WM_NCPOINTERUPDATE	0x0241
WM_NCPOINTERDOWN	0x0242
WM_NCPOINTERUP	0x0243
WM_POINTERUPDATE	0x0245
WM_POINTERDOWN	0x0246
WM_POINTERUP	0x0247
WM_POINTERENTER	0x0249
WM_POINTERLEAVE	0x024A
WM_POINTERACTIVATE	0x024B
WM_POINTERCAPTURECHANGED	0x024C
WM_TOUCHHITTESTING	0x024D
WM_POINTERWHEEL	0x024E
WM_POINTERHWHEEL	0x024F
WM_IME_SETCONTEXT	0x0281
WM_IME_NOTIFY	0x0282
WM_IME_CONTROL	0x0283
WM_IME_COMPOSITIONFULL	0x0284
WM_IME_SELECT	0x0285
WM_IME_CHAR	0x0286
WM_IME_REQUEST	0x0288
WM_IME_KEYDOWN	0x0290
WM_IME_KEYUP	0x0291
WM_MOUSEHOVER	0x02A1
WM_MOUSELEAVE	0x02A3
WM_NCMOUSEHOVER	0x02A0
WM_NCMOUSELEAVE	0x02A2
WM_WTSSESSION_CHANGE	0x02B1
WM_TABLET_FIRST	0x02c0
WM_TABLET_LAST	0x02df
WM_CUT	0x0300
WM_COPY	0x0301
WM_PASTE	0x0302
WM_CLEAR	0x0303
WM_UNDO	0x0304
WM_RENDERFORMAT	0x0305
WM_RENDERALLFORMATS	0x0306
WM_DESTROYCLIPBOARD	0x0307
WM_DRAWCLIPBOARD	0x0308
WM_PAINTCLIPBOARD	0x0309
WM_VSCROLLCLIPBOARD	0x030A
WM_SIZECLIPBOARD	0x030B
WM_ASKCBFORMATNAME	0x030C
WM_CHANGECBCHAIN	0x030D
WM_HSCROLLCLIPBOARD	0x030E
WM_QUERYNEWPALETTE	0x030F
WM_PALETTEISCHANGING	0x0310
WM_PALETTECHANGED	0x0311
WM_HOTKEY	0x0312
WM_PRINT	0x0317
WM_PRINTCLIENT	0x0318
WM_APPCOMMAND	0x0319
WM_THEMECHANGED	0x031A
WM_CLIPBOARDUPDATE	0x031D
WM_DWMCOMPOSITIONCHANGED	0x031E
WM_DWMNCRENDERINGCHANGED	0x031F
WM_DWMCOLORIZATIONCOLORCHANGED	0x0320
WM_DWMWINDOWMAXIMIZEDCHANGE	0x0321
WM_DWMSENDICONICTHUMBNAIL	0x0323
WM_DWMSENDICONICLIVEPREVIEWBITMAP	0x0326
WM_GETTITLEBARINFOEX	0x033F
WM_HANDHELDFIRST	0x0358
WM_HANDHELDLAST	0x035F
WM_AFXFIRST	0x0360
WM_AFXLAST	0x037F
WM_PENWINFIRST	0x0380
WM_PENWINLAST	0x038F
WM_APP	0x8000
WM_USER	0x0400