Windows Message Codes
| Sorted by Name | Sorted by Code |
|---|
| Message | Code | Code | Message | |
|---|---|---|---|---|
| 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 | 0x0108 | 0x00AB | WM_NCXBUTTONDOWN | |
| WM_KEYLAST | 0x0109 | 0x00AC | WM_NCXBUTTONUP | |
| WM_KEYUP | 0x0101 | 0x00AD | WM_NCXBUTTONDBLCLK | |
| WM_KILLFOCUS | 0x0008 | 0x00FF | WM_INPUT | |
| WM_LBUTTONDBLCLK | 0x0203 | 0x0100 | WM_KEYFIRST | |
| WM_LBUTTONDOWN | 0x0201 | 0x0100 | WM_KEYDOWN | |
| WM_LBUTTONUP | 0x0202 | 0x0101 | WM_KEYUP | |
| WM_MBUTTONDBLCLK | 0x0209 | 0x0102 | WM_CHAR | |
| WM_MBUTTONDOWN | 0x0207 | 0x0103 | WM_DEADCHAR | |
| WM_MBUTTONUP | 0x0208 | 0x0104 | WM_SYSKEYDOWN | |
| WM_MDIACTIVATE | 0x0222 | 0x0105 | WM_SYSKEYUP | |
| WM_MDICASCADE | 0x0227 | 0x0106 | WM_SYSCHAR | |
| WM_MDICREATE | 0x0220 | 0x0107 | WM_SYSDEADCHAR | |
| WM_MDIDESTROY | 0x0221 | 0x0109 | WM_UNICHAR | |
| WM_MDIGETACTIVE | 0x0229 | 0x0109 | WM_KEYLAST | |
| WM_MDIICONARRANGE | 0x0228 | 0x0108 | WM_KEYLAST | |
| 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 |