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_QUIT             = 0x0012;
  WM_QUERYOPEN        = 0x0013;
  WM_ERASEBKGND       = 0x0014;
  WM_SYSCOLORCHANGE   = 0x0015;
  WM_ENDSESSION       = 0x0016;
  WM_SYSTEMERROR      = 0x0017;
  WM_SHOWWINDOW       = 0x0018;
  WM_CTLCOLOR         = 0x0019;
  WM_WININICHANGE     = 0x001A;
  WM_SETTINGCHANGE    = 0x001A;
  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_COMPACTING       = 0x0041;

  WM_COMMNOTIFY       = 0x0044;    { obsolete in Win32}

  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_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_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_KEYLAST          = 0x0108;

  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_MENUSELECT       = 0x011F;
  WM_MENUCHAR         = 0x0120;
  WM_ENTERIDLE        = 0x0121;

  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_MOUSELAST        = 0x020A;

  WM_PARENTNOTIFY     = 0x0210;
  WM_ENTERMENULOOP    = 0x0211;
  WM_EXITMENULOOP     = 0x0212;
  WM_NEXTMENU         = 0x0213;

  WM_SIZING           = 532;
  WM_CAPTURECHANGED   = 533;
  WM_MOVING           = 534;
  WM_POWERBROADCAST   = 536;
  WM_DEVICECHANGE     = 537;

  WM_IME_STARTCOMPOSITION        = 0x010D;
  WM_IME_ENDCOMPOSITION          = 0x010E;
  WM_IME_COMPOSITION             = 0x010F;
  WM_IME_KEYLAST                 = 0x010F;

  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_KEYDOWN                 = 0x0290;
  WM_IME_KEYUP                   = 0x0291;

  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_MOUSEHOVER       = 0x02A1;
  WM_MOUSELEAVE       = 0x02A3;

  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            = 791;
  WM_PRINTCLIENT      = 792;

  WM_HANDHELDFIRST    = 856;
  WM_HANDHELDLAST     = 863;

  WM_PENWINFIRST      = 0x0380;
  WM_PENWINLAST       = 0x038F;

  WM_COALESCE_FIRST   = 0x0390;
  WM_COALESCE_LAST    = 0x039F;

  WM_DDE_FIRST        = 0x03E0;
  WM_DDE_INITIATE     = 0x03E0;
  WM_DDE_TERMINATE    = 0x03E1;
  WM_DDE_ADVISE       = 0x03E2;
  WM_DDE_UNADVISE     = 0x03E3;
  WM_DDE_ACK          = 0x03E4;
  WM_DDE_DATA         = 0x03E5;
  WM_DDE_REQUEST      = 0x03E6;
  WM_DDE_POKE         = 0x03E7;
  WM_DDE_EXECUTE      = 0x03E8;
  WM_DDE_LAST         = 0x03E8;

  WM_APP              = 0x8000;

  WM_USER             = 0x0400;