作者： 老王

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_NT501 = 0x0109,

UNICODE_NOCHAR = 0xFFFF,

WM_KEYLAST_PRE501 = 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_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_MOUSELAST_5 = 0x020D,

WM_MOUSELAST_4 = 0x020A,

WM_MOUSELAST_PRE_4 = 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,

SendMessage(句柄,消息,参数1,参数2) “消息的内容”说明。左边是消息，右边是十六位的ID，要转换为10进制后才可以给E用。

比如 SendMessage(文本框的句柄,13,256,一个初始化的容器)，作用就是获取文本框的内容到一个初始化的容器内。

其中的13就是 WM_GETTEXT = 0x000D。000D=13，明白？

消息的名称前面两个或三个字母是表明所对应的类或者控件类型，比如WM、EM、LB、CB、TB等。

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 = 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_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,