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处理EM_CHANGE消息法
.386
.model flat,stdcall
option casemap:none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
includelib \masm32\lib\user32.lib
include \masm32\include\kernel32.inc
includelib \masm32\lib\kernel32.lib
WinMain proto :DWORD,:DWORD,:DWORD,:DWORD
IDC_EDIT EQU 2001
.DATA
ClassName db "demo",0
AppName db "demo",0
EditClassName db "edit",0
szFormat db "%c",0
.DATA?
hInstance HINSTANCE ?
CommandLine LPSTR ?
hEdit HWND ?
.CODE
start:
invoke GetModuleHandle, NULL
mov hInstance,eax
invoke GetCommandLine
mov CommandLine,eax
invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT
invoke ExitProcess, eax
WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD
LOCAL wc:WNDCLASSEX
LOCAL msg:MSG
LOCAL hwnd:HWND
mov wc.cbSize,SIZEOF WNDCLASSEX
mov wc.style, CS_HREDRAW or CS_VREDRAW
mov wc.lpfnWndProc, OFFSET WndProc
mov wc.cbClsExtra,NULL
mov wc.cbWndExtra,NULL
push hInstance
pop wc.hInstance
mov wc.hbrBackground,COLOR_WINDOW+1
mov wc.lpszMenuName,NULL
mov wc.lpszClassName,OFFSET ClassName
invoke LoadIcon,NULL,IDI_APPLICATION
mov wc.hIcon,eax
mov wc.hIconSm,eax
invoke LoadCursor,NULL,IDC_ARROW
mov wc.hCursor,eax
invoke RegisterClassEx, addr wc
invoke CreateWindowEx,NULL,\
ADDR ClassName,\
ADDR AppName,\
WS_OVERLAPPEDWINDOW,\
CW_USEDEFAULT,\
CW_USEDEFAULT,\
300,\
200,\
NULL,\
NULL,\
hInst,\
NULL
mov hwnd,eax
invoke ShowWindow, hwnd,CmdShow
invoke UpdateWindow, hwnd
.WHILE TRUE
invoke GetMessage, ADDR msg,NULL,0,0
.BREAK .IF (!eax)
invoke TranslateMessage, ADDR msg
invoke DispatchMessage, ADDR msg
.ENDW
mov eax,msg.wParam
ret
WinMain endp
WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
LOCAL @buf1[256]:BYTE
LOCAL @Buf2[32]:BYTE
.IF uMsg==WM_DESTROY
invoke PostQuitMessage,NULL
.ELSEIF uMsg==WM_CREATE
invoke CreateWindowEx,WS_EX_CLIENTEDGE, ADDR EditClassName,NULL,\ ;
WS_CHILD or WS_VISIBLE or WS_BORDER or ES_LEFT or\
ES_AUTOHSCROLL,\
50,35,200,25,hWnd,IDC_EDIT,hInstance,NULL
mov hEdit,eax
.ELSEIF uMsg==WM_COMMAND
mov eax,wParam
.[COLOR="Red"]IF ax==IDC_EDIT
shr eax,16
.IF eax==EN_CHANGE ;处理EN_CHANGE消息
invoke GetDlgItemText,hWnd,IDC_EDIT,addr @buf1,256
invoke lstrlen,addr @buf1
lea esi,@buf1
add esi,eax
dec esi
lodsb
invoke wsprintf,addr @Buf2,addr szFormat,eax
invoke MessageBox,NULL,addr @Buf2,addr @Buf2,MB_OK
.ENDIF
.ENDIF[/COLOR]
.ELSE
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.ENDIF
xor eax,eax
ret
WndProc endp
end start
窗口子类化法，在自己的处理函数中处理WM_CHAR消息
.386
.model flat,stdcall
option casemap:none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
include \masm32\include\comctl32.inc
includelib \masm32\lib\comctl32.lib
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
WinMain PROTO :DWORD,:DWORD,:DWORD,:DWORD
EditWndProc PROTO :DWORD,:DWORD,:DWORD,:DWORD
.data
ClassName db "demo",0
AppName db "demo",0
EditClass db "EDIT",0
szFormat db "%c",0
.data?
hInstance HINSTANCE ?
hwndEdit dd ?
OldWndProc dd ?
.code
start:
invoke GetModuleHandle, NULL
mov hInstance,eax
invoke WinMain, hInstance,NULL,NULL, SW_SHOWDEFAULT
invoke ExitProcess,eax
WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD
LOCAL wc:WNDCLASSEX
LOCAL msg:MSG
LOCAL hwnd:HWND
mov wc.cbSize,SIZEOF WNDCLASSEX
mov wc.style, CS_HREDRAW or CS_VREDRAW
mov wc.lpfnWndProc, OFFSET WndProc
mov wc.cbClsExtra,NULL
mov wc.cbWndExtra,NULL
push hInst
pop wc.hInstance
mov wc.hbrBackground,COLOR_APPWORKSPACE
mov wc.lpszMenuName,NULL
mov wc.lpszClassName,OFFSET ClassName
invoke LoadIcon,NULL,IDI_APPLICATION
mov wc.hIcon,eax
mov wc.hIconSm,eax
invoke LoadCursor,NULL,IDC_ARROW
mov wc.hCursor,eax
invoke RegisterClassEx, addr wc
invoke CreateWindowEx,WS_EX_CLIENTEDGE,ADDR ClassName,ADDR AppName,\
WS_OVERLAPPED+WS_CAPTION+WS_SYSMENU+WS_MINIMIZEBOX+WS_MAXIMIZEBOX+WS_VISIBLE,CW_USEDEFAULT,\
CW_USEDEFAULT,350,200,NULL,NULL,\
hInst,NULL
mov hwnd,eax
.while TRUE
invoke GetMessage, ADDR msg,NULL,0,0
.BREAK .IF (!eax)
invoke TranslateMessage, ADDR msg
invoke DispatchMessage, ADDR msg
.endw
mov eax,msg.wParam
ret
WinMain endp
WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
.if uMsg==WM_CREATE
invoke CreateWindowEx,WS_EX_CLIENTEDGE,ADDR EditClass,NULL,\
WS_CHILD+WS_VISIBLE+WS_BORDER,20,\
20,300,25,hWnd,NULL,\
hInstance,NULL
mov hwndEdit,eax
invoke SetFocus,eax
invoke SetWindowLong,hwndEdit,GWL_WNDPROC,addr EditWndProc
mov OldWndProc,eax
.elseif uMsg==WM_DESTROY
invoke PostQuitMessage,NULL
.else
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.endif
xor eax,eax
ret
WndProc endp
EditWndProc PROC hEdit:DWORD,uMsg:DWORD,wParam:DWORD,lParam:DWORD
LOCAL @buf[256]:BYTE
[COLOR="Red"].if uMsg==WM_CHAR
mov eax,wParam
push eax
invoke wsprintf,addr @buf,addr szFormat,eax
invoke MessageBox,NULL,addr @buf,addr @buf,0
pop eax
invoke CallWindowProc,OldWndProc,hEdit,uMsg,eax,lParam
ret [/COLOR]
.else
invoke CallWindowProc,OldWndProc,hEdit,uMsg,wParam,lParam
ret
.endif
xor eax,eax
ret
EditWndProc endp
end start
仅供参考
那会不会太累
