Windows Message Codes

Windows Message Codes

Message (sorted by name) Code Code Message (sorted by code)
WM_ACTIVATE 0x0006 0x0000 WM_NULL
WM_ACTIVATEAPP 0x001C 0x0001 WM_CREATE
WM_AFXFIRST 0x0360 0x0002 WM_DESTROY
WM_AFXLAST 0x037F 0x0003 WM_MOVE
WM_APP 0x8000 0x0005 WM_SIZE
WM_APPCOMMAND 0x0319 0x0006 WM_ACTIVATE
WM_ASKCBFORMATNAME 0x030C 0x0007 WM_SETFOCUS
WM_CANCELJOURNAL 0x004B 0x0008 WM_KILLFOCUS
WM_CANCELMODE 0x001F 0x000A WM_ENABLE
WM_CAPTURECHANGED 0x0215 0x000B WM_SETREDRAW
WM_CHANGECBCHAIN 0x030D 0x000C WM_SETTEXT
WM_CHANGEUISTATE 0x0127 0x000D WM_GETTEXT
WM_CHAR 0x0102 0x000E WM_GETTEXTLENGTH
WM_CHARTOITEM 0x002F 0x000F WM_PAINT
WM_CHILDACTIVATE 0x0022 0x0010 WM_CLOSE
WM_CLEAR 0x0303 0x0011 WM_QUERYENDSESSION
WM_CLOSE 0x0010 0x0013 WM_QUERYOPEN
WM_COMMAND 0x0111 0x0016 WM_ENDSESSION
WM_COMMNOTIFY 0x0044 0x0012 WM_QUIT
WM_COMPACTING 0x0041 0x0014 WM_ERASEBKGND
WM_COMPAREITEM 0x0039 0x0015 WM_SYSCOLORCHANGE
WM_CONTEXTMENU 0x007B 0x0018 WM_SHOWWINDOW
WM_COPY 0x0301 0x001A WM_WININICHANGE
WM_COPYDATA 0x004A 0x001A WM_SETTINGCHANGE
WM_CREATE 0x0001 0x001B WM_DEVMODECHANGE
WM_CTLCOLORBTN 0x0135 0x001C WM_ACTIVATEAPP
WM_CTLCOLORDLG 0x0136 0x001D WM_FONTCHANGE
WM_CTLCOLOREDIT 0x0133 0x001E WM_TIMECHANGE
WM_CTLCOLORLISTBOX 0x0134 0x001F WM_CANCELMODE
WM_CTLCOLORMSGBOX 0x0132 0x0020 WM_SETCURSOR
WM_CTLCOLORSCROLLBAR 0x0137 0x0021 WM_MOUSEACTIVATE
WM_CTLCOLORSTATIC 0x0138 0x0022 WM_CHILDACTIVATE
WM_CUT 0x0300 0x0023 WM_QUEUESYNC
WM_DEADCHAR 0x0103 0x0024 WM_GETMINMAXINFO
WM_DELETEITEM 0x002D 0x0026 WM_PAINTICON
WM_DESTROY 0x0002 0x0027 WM_ICONERASEBKGND
WM_DESTROYCLIPBOARD 0x0307 0x0028 WM_NEXTDLGCTL
WM_DEVICECHANGE 0x0219 0x002A WM_SPOOLERSTATUS
WM_DEVMODECHANGE 0x001B 0x002B WM_DRAWITEM
WM_DISPLAYCHANGE 0x007E 0x002C WM_MEASUREITEM
WM_DRAWCLIPBOARD 0x0308 0x002D WM_DELETEITEM
WM_DRAWITEM 0x002B 0x002E WM_VKEYTOITEM
WM_DROPFILES 0x0233 0x002F WM_CHARTOITEM
WM_ENABLE 0x000A 0x0030 WM_SETFONT
WM_ENDSESSION 0x0016 0x0031 WM_GETFONT
WM_ENTERIDLE 0x0121 0x0032 WM_SETHOTKEY
WM_ENTERMENULOOP 0x0211 0x0033 WM_GETHOTKEY
WM_ENTERSIZEMOVE 0x0231 0x0037 WM_QUERYDRAGICON
WM_ERASEBKGND 0x0014 0x0039 WM_COMPAREITEM
WM_EXITMENULOOP 0x0212 0x003D WM_GETOBJECT
WM_EXITSIZEMOVE 0x0232 0x0041 WM_COMPACTING
WM_FONTCHANGE 0x001D 0x0044 WM_COMMNOTIFY
WM_GETDLGCODE 0x0087 0x0046 WM_WINDOWPOSCHANGING
WM_GETFONT 0x0031 0x0047 WM_WINDOWPOSCHANGED
WM_GETHOTKEY 0x0033 0x0048 WM_POWER
WM_GETICON 0x007F 0x004A WM_COPYDATA
WM_GETMINMAXINFO 0x0024 0x004B WM_CANCELJOURNAL
WM_GETOBJECT 0x003D 0x004E WM_NOTIFY
WM_GETTEXT 0x000D 0x0050 WM_INPUTLANGCHANGEREQUEST
WM_GETTEXTLENGTH 0x000E 0x0051 WM_INPUTLANGCHANGE
WM_HANDHELDFIRST 0x0358 0x0052 WM_TCARD
WM_HANDHELDLAST 0x035F 0x0053 WM_HELP
WM_HELP 0x0053 0x0054 WM_USERCHANGED
WM_HOTKEY 0x0312 0x0055 WM_NOTIFYFORMAT
WM_HSCROLL 0x0114 0x007B WM_CONTEXTMENU
WM_HSCROLLCLIPBOARD 0x030E 0x007C WM_STYLECHANGING
WM_ICONERASEBKGND 0x0027 0x007D WM_STYLECHANGED
WM_IME_CHAR 0x0286 0x007E WM_DISPLAYCHANGE
WM_IME_COMPOSITION 0x010F 0x007F WM_GETICON
WM_IME_COMPOSITIONFULL 0x0284 0x0080 WM_SETICON
WM_IME_CONTROL 0x0283 0x0081 WM_NCCREATE
WM_IME_ENDCOMPOSITION 0x010E 0x0082 WM_NCDESTROY
WM_IME_KEYDOWN 0x0290 0x0083 WM_NCCALCSIZE
WM_IME_KEYLAST 0x010F 0x0084 WM_NCHITTEST
WM_IME_KEYUP 0x0291 0x0085 WM_NCPAINT
WM_IME_NOTIFY 0x0282 0x0086 WM_NCACTIVATE
WM_IME_REQUEST 0x0288 0x0087 WM_GETDLGCODE
WM_IME_SELECT 0x0285 0x0088 WM_SYNCPAINT
WM_IME_SETCONTEXT 0x0281 0x00A0 WM_NCMOUSEMOVE
WM_IME_STARTCOMPOSITION 0x010D 0x00A1 WM_NCLBUTTONDOWN
WM_INITDIALOG 0x0110 0x00A2 WM_NCLBUTTONUP
WM_INITMENU 0x0116 0x00A3 WM_NCLBUTTONDBLCLK
WM_INITMENUPOPUP 0x0117 0x00A4 WM_NCRBUTTONDOWN
WM_INPUT 0x00FF 0x00A5 WM_NCRBUTTONUP
WM_INPUTLANGCHANGE 0x0051 0x00A6 WM_NCRBUTTONDBLCLK
WM_INPUTLANGCHANGEREQUEST 0x0050 0x00A7 WM_NCMBUTTONDOWN
WM_KEYDOWN 0x0100 0x00A8 WM_NCMBUTTONUP
WM_KEYFIRST 0x0100 0x00A9 WM_NCMBUTTONDBLCLK
WM_KEYLAST 0x0109 0x00AB WM_NCXBUTTONDOWN
WM_KEYUP 0x0101 0x00AC WM_NCXBUTTONUP
WM_KILLFOCUS 0x0008 0x00AD WM_NCXBUTTONDBLCLK
WM_LBUTTONDBLCLK 0x0203 0x00FF WM_INPUT
WM_LBUTTONDOWN 0x0201 0x0100 WM_KEYFIRST
WM_LBUTTONUP 0x0202 0x0100 WM_KEYDOWN
WM_MBUTTONDBLCLK 0x0209 0x0101 WM_KEYUP
WM_MBUTTONDOWN 0x0207 0x0102 WM_CHAR
WM_MBUTTONUP 0x0208 0x0103 WM_DEADCHAR
WM_MDIACTIVATE 0x0222 0x0104 WM_SYSKEYDOWN
WM_MDICASCADE 0x0227 0x0105 WM_SYSKEYUP
WM_MDICREATE 0x0220 0x0106 WM_SYSCHAR
WM_MDIDESTROY 0x0221 0x0107 WM_SYSDEADCHAR
WM_MDIGETACTIVE 0x0229 0x0109 WM_KEYLAST
WM_MDIICONARRANGE 0x0228 0x0109 WM_UNICHAR
WM_MDIMAXIMIZE 0x0225 0x010D WM_IME_STARTCOMPOSITION
WM_MDINEXT 0x0224 0x010E WM_IME_ENDCOMPOSITION
WM_MDIREFRESHMENU 0x0234 0x010F WM_IME_COMPOSITION
WM_MDIRESTORE 0x0223 0x010F WM_IME_KEYLAST
WM_MDISETMENU 0x0230 0x0110 WM_INITDIALOG
WM_MDITILE 0x0226 0x0111 WM_COMMAND
WM_MEASUREITEM 0x002C 0x0112 WM_SYSCOMMAND
WM_MENUCHAR 0x0120 0x0113 WM_TIMER
WM_MENUCOMMAND 0x0126 0x0114 WM_HSCROLL
WM_MENUDRAG 0x0123 0x0115 WM_VSCROLL
WM_MENUGETOBJECT 0x0124 0x0116 WM_INITMENU
WM_MENURBUTTONUP 0x0122 0x0117 WM_INITMENUPOPUP
WM_MENUSELECT 0x011F 0x011F WM_MENUSELECT
WM_MOUSEACTIVATE 0x0021 0x0120 WM_MENUCHAR
WM_MOUSEFIRST 0x0200 0x0121 WM_ENTERIDLE
WM_MOUSEHOVER 0x02A1 0x0122 WM_MENURBUTTONUP
WM_MOUSELAST(2K,XP,2k3) 0x020D 0x0123 WM_MENUDRAG
WM_MOUSELAST(95) 0x0209 0x0124 WM_MENUGETOBJECT
WM_MOUSELAST(NT4,98) 0x020A 0x0125 WM_UNINITMENUPOPUP
WM_MOUSELEAVE 0x02A3 0x0126 WM_MENUCOMMAND
WM_MOUSEMOVE 0x0200 0x0127 WM_CHANGEUISTATE
WM_MOUSEWHEEL 0x020A 0x0128 WM_UPDATEUISTATE
WM_MOVE 0x0003 0x0129 WM_QUERYUISTATE
WM_MOVING 0x0216 0x0132 WM_CTLCOLORMSGBOX
WM_NCACTIVATE 0x0086 0x0133 WM_CTLCOLOREDIT
WM_NCCALCSIZE 0x0083 0x0134 WM_CTLCOLORLISTBOX
WM_NCCREATE 0x0081 0x0135 WM_CTLCOLORBTN
WM_NCDESTROY 0x0082 0x0136 WM_CTLCOLORDLG
WM_NCHITTEST 0x0084 0x0137 WM_CTLCOLORSCROLLBAR
WM_NCLBUTTONDBLCLK 0x00A3 0x0138 WM_CTLCOLORSTATIC
WM_NCLBUTTONDOWN 0x00A1 0x0200 WM_MOUSEFIRST
WM_NCLBUTTONUP 0x00A2 0x0200 WM_MOUSEMOVE
WM_NCMBUTTONDBLCLK 0x00A9 0x0201 WM_LBUTTONDOWN
WM_NCMBUTTONDOWN 0x00A7 0x0202 WM_LBUTTONUP
WM_NCMBUTTONUP 0x00A8 0x0203 WM_LBUTTONDBLCLK
WM_NCMOUSEHOVER 0x02A0 0x0204 WM_RBUTTONDOWN
WM_NCMOUSELEAVE 0x02A2 0x0205 WM_RBUTTONUP
WM_NCMOUSEMOVE 0x00A0 0x0206 WM_RBUTTONDBLCLK
WM_NCPAINT 0x0085 0x0207 WM_MBUTTONDOWN
WM_NCRBUTTONDBLCLK 0x00A6 0x0208 WM_MBUTTONUP
WM_NCRBUTTONDOWN 0x00A4 0x0209 WM_MBUTTONDBLCLK
WM_NCRBUTTONUP 0x00A5 0x0209 WM_MOUSELAST(95)
WM_NCXBUTTONDBLCLK 0x00AD 0x020A WM_MOUSEWHEEL
WM_NCXBUTTONDOWN 0x00AB 0x020A WM_MOUSELAST(NT4,98)
WM_NCXBUTTONUP 0x00AC 0x020B WM_XBUTTONDOWN
WM_NEXTDLGCTL 0x0028 0x020C WM_XBUTTONUP
WM_NEXTMENU 0x0213 0x020D WM_XBUTTONDBLCLK
WM_NOTIFY 0x004E 0x020D WM_MOUSELAST(2K,XP,2k3)
WM_NOTIFYFORMAT 0x0055 0x0210 WM_PARENTNOTIFY
WM_NULL 0x0000 0x0211 WM_ENTERMENULOOP
WM_PAINT 0x000F 0x0212 WM_EXITMENULOOP
WM_PAINTCLIPBOARD 0x0309 0x0213 WM_NEXTMENU
WM_PAINTICON 0x0026 0x0214 WM_SIZING
WM_PALETTECHANGED 0x0311 0x0215 WM_CAPTURECHANGED
WM_PALETTEISCHANGING 0x0310 0x0216 WM_MOVING
WM_PARENTNOTIFY 0x0210 0x0218 WM_POWERBROADCAST
WM_PASTE 0x0302 0x0219 WM_DEVICECHANGE
WM_PENWINFIRST 0x0380 0x0220 WM_MDICREATE
WM_PENWINLAST 0x038F 0x0221 WM_MDIDESTROY
WM_POWER 0x0048 0x0222 WM_MDIACTIVATE
WM_POWERBROADCAST 0x0218 0x0223 WM_MDIRESTORE
WM_PRINT 0x0317 0x0224 WM_MDINEXT
WM_PRINTCLIENT 0x0318 0x0225 WM_MDIMAXIMIZE
WM_QUERYDRAGICON 0x0037 0x0226 WM_MDITILE
WM_QUERYENDSESSION 0x0011 0x0227 WM_MDICASCADE
WM_QUERYNEWPALETTE 0x030F 0x0228 WM_MDIICONARRANGE
WM_QUERYOPEN 0x0013 0x0229 WM_MDIGETACTIVE
WM_QUERYUISTATE 0x0129 0x0230 WM_MDISETMENU
WM_QUEUESYNC 0x0023 0x0231 WM_ENTERSIZEMOVE
WM_QUIT 0x0012 0x0232 WM_EXITSIZEMOVE
WM_RBUTTONDBLCLK 0x0206 0x0233 WM_DROPFILES
WM_RBUTTONDOWN 0x0204 0x0234 WM_MDIREFRESHMENU
WM_RBUTTONUP 0x0205 0x0281 WM_IME_SETCONTEXT
WM_RENDERALLFORMATS 0x0306 0x0282 WM_IME_NOTIFY
WM_RENDERFORMAT 0x0305 0x0283 WM_IME_CONTROL
WM_SETCURSOR 0x0020 0x0284 WM_IME_COMPOSITIONFULL
WM_SETFOCUS 0x0007 0x0285 WM_IME_SELECT
WM_SETFONT 0x0030 0x0286 WM_IME_CHAR
WM_SETHOTKEY 0x0032 0x0288 WM_IME_REQUEST
WM_SETICON 0x0080 0x0290 WM_IME_KEYDOWN
WM_SETREDRAW 0x000B 0x0291 WM_IME_KEYUP
WM_SETTEXT 0x000C 0x02A1 WM_MOUSEHOVER
WM_SETTINGCHANGE 0x001A 0x02A3 WM_MOUSELEAVE
WM_SHOWWINDOW 0x0018 0x02A0 WM_NCMOUSEHOVER
WM_SIZE 0x0005 0x02A2 WM_NCMOUSELEAVE
WM_SIZECLIPBOARD 0x030B 0x02B1 WM_WTSSESSION_CHANGE
WM_SIZING 0x0214 0x02C0 WM_TABLET_FIRST
WM_SPOOLERSTATUS 0x002A 0x02DF WM_TABLET_LAST
WM_STYLECHANGED 0x007D 0x0300 WM_CUT
WM_STYLECHANGING 0x007C 0x0301 WM_COPY
WM_SYNCPAINT 0x0088 0x0302 WM_PASTE
WM_SYSCHAR 0x0106 0x0303 WM_CLEAR
WM_SYSCOLORCHANGE 0x0015 0x0304 WM_UNDO
WM_SYSCOMMAND 0x0112 0x0305 WM_RENDERFORMAT
WM_SYSDEADCHAR 0x0107 0x0306 WM_RENDERALLFORMATS
WM_SYSKEYDOWN 0x0104 0x0307 WM_DESTROYCLIPBOARD
WM_SYSKEYUP 0x0105 0x0308 WM_DRAWCLIPBOARD
WM_TABLET_FIRST 0x02C0 0x0309 WM_PAINTCLIPBOARD
WM_TABLET_LAST 0x02DF 0x030A WM_VSCROLLCLIPBOARD
WM_TCARD 0x0052 0x030B WM_SIZECLIPBOARD
WM_THEMECHANGED 0x031A 0x030C WM_ASKCBFORMATNAME
WM_TIMECHANGE 0x001E 0x030D WM_CHANGECBCHAIN
WM_TIMER 0x0113 0x030E WM_HSCROLLCLIPBOARD
WM_UNDO 0x0304 0x030F WM_QUERYNEWPALETTE
WM_UNICHAR 0x0109 0x0310 WM_PALETTEISCHANGING
WM_UNINITMENUPOPUP 0x0125 0x0311 WM_PALETTECHANGED
WM_UPDATEUISTATE 0x0128 0x0312 WM_HOTKEY
WM_USER 0x0400 0x0317 WM_PRINT
WM_USERCHANGED 0x0054 0x0318 WM_PRINTCLIENT
WM_VKEYTOITEM 0x002E 0x0319 WM_APPCOMMAND
WM_VSCROLL 0x0115 0x031A WM_THEMECHANGED
WM_VSCROLLCLIPBOARD 0x030A 0x0358 WM_HANDHELDFIRST
WM_WINDOWPOSCHANGED 0x0047 0x035F WM_HANDHELDLAST
WM_WINDOWPOSCHANGING 0x0046 0x0360 WM_AFXFIRST
WM_WININICHANGE 0x001A 0x037F WM_AFXLAST
WM_WTSSESSION_CHANGE 0x02B1 0x0380 WM_PENWINFIRST
WM_XBUTTONDBLCLK 0x020D 0x038F WM_PENWINLAST
WM_XBUTTONDOWN 0x020B 0x0400 WM_USER
WM_XBUTTONUP 0x020C 0x8000 WM_APP