the code below is tutorial of iczelion,it create a son modeless dialog box of a window.my question is who process the message while the dialog box procude not processed.is DefWindowProc in parent window?if that how the message send to the parent window's procude?
thank you first .
thank you first .
.386
.model flat,stdcall
option casemap:none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
WinMain proto :DWORD,:DWORD,:DWORD,:DWORD
DlgProc PROTO :HWND, :DWORD, :DWORD, :DWORD
.data
ClassName db "SimpleWinClass",0
AppName db "Our Main Window",0
MenuName db "FirstMenu",0
DlgName db "MyDialog",0
TestString db "Hello, everybody",0
hwndDlg dd 0 ; Handle to the dialog box
.data?
hInstance HINSTANCE ?
CommandLine LPSTR ?
.const
IDM_EXIT equ 1
IDM_ABOUT equ 2
IDC_EDIT equ 3000
IDC_BUTTON equ 3001
IDC_EXIT equ 3002
.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 hInst
pop wc.hInstance
mov wc.hbrBackground,COLOR_WINDOW+1
mov wc.lpszMenuName,OFFSET MenuName
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_OVERLAPPEDWINDOW,CW_USEDEFAULT,\
CW_USEDEFAULT,300,200,NULL,NULL,\
hInst,NULL
mov hwnd,eax
INVOKE ShowWindow, hwnd,SW_SHOWNORMAL
INVOKE UpdateWindow, hwnd
.WHILE TRUE
INVOKE GetMessage, ADDR msg,NULL,0,0
.BREAK .IF (!eax)
.if hwndDlg!=0
invoke IsDialogMessage,hwndDlg,ADDR msg
.if eax==TRUE
.continue
.endif
.endif
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_DESTROY
invoke PostQuitMessage,NULL
.ELSEIF uMsg==WM_COMMAND
mov eax,wParam
.if ax==IDM_ABOUT
invoke CreateDialogParam,hInstance, addr DlgName,hWnd,OFFSET DlgProc,NULL
mov hwndDlg,eax
.else
invoke DestroyWindow, hWnd
.endif
.ELSE
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.ENDIF
xor eax,eax
ret
WndProc endp
DlgProc PROC hWnd:HWND,iMsg:DWORD,wParam:WPARAM, lParam:LPARAM
.if iMsg==WM_INITDIALOG
invoke GetDlgItem,hWnd,IDC_EDIT
invoke SetFocus,eax
.elseif iMsg==WM_CLOSE
invoke EndDialog,hWnd,NULL
mov hwndDlg,0
.elseif iMsg==WM_COMMAND
mov eax,wParam
mov edx,eax
shr edx,16
.if dx==BN_CLICKED
.if eax==IDC_EXIT
invoke SendMessage,hWnd,WM_CLOSE,NULL,NULL
.elseif eax==IDC_BUTTON
invoke SetDlgItemText,hWnd,IDC_EDIT,ADDR TestString
.endif
.endif
.else
mov eax,FALSE
ret
.endif
mov eax,TRUE
ret
DlgProc endp
end start
it seems the code was wrong.because it use CreateDialogParam create a
modeless dialog box,but it use the procude which to handle the model dialog box message to process.
modeless dialog box,but it use the procude which to handle the model dialog box message to process.