Windows Message Codes

 [DllImport("user32.dll")]
 public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);

 //设置窗口是否能重画
  public static int WM_SETREDRAW = 0x0B;

SendMessage(this.Handle, WM_SETREDRAW, 0, 0);  //禁止重绘

解冻

SendMessage(this.Handle, NativeConsts.WM_SETREDRAW,  1 ,  0 );
RedrawWindow(this.Handle, IntPtr.Zero, IntPtr.Zero, NativeConsts.WM_NCPAINT);  // 强制重绘

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