GUI编程中以对话框为主要界面的应用程序

核心提示：例子：dialog.asm .386 .model flat,stdcall option casemap:none WinMain proto :DWORD,:DWORD,:DWORD,:DWORD include \masm32\include\windows.inc include \masm32\include

例子：

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dialog.asm

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.386
.model flat,stdcall
option casemap:none
WinMain proto :DWORD,:DWORD,:DWORD,:DWORD
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
.data
ClassName db "DLGCLASS",0
MenuName db "MyMenu",0
DlgName db "MyDialog",0
AppName db "Our First Dialog Box",0
TestString db "Wow! I'm in an edit box now",0

.data?
hInstance HINSTANCE ?
CommandLine LPSTR ?
buffer db 512 dup(?)

.const
IDC_EDIT equ 3000
IDC_BUTTON equ 3001
IDC_EXIT equ 3002
IDM_GETTEXT equ 32000
IDM_CLEAR equ 32001
IDM_EXIT equ 32002

.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 hDlg: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,DLGWINDOWEXTRA
push hInst
pop wc.hInstance
mov wc.hbrBackground,COLOR_BTNFACE+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 CreateDialogParam,hInstance,ADDR DlgName,NULL,NULL,NULL
mov hDlg,eax
invoke ShowWindow, hDlg,SW_SHOWNORMAL
invoke UpdateWindow, hDlg
invoke GetDlgItem,hDlg,IDC_EDIT
invoke SetFocus,eax
.WHILE TRUE
invoke GetMessage, ADDR msg,NULL,0,0
.BREAK .IF (!eax)
invoke IsDialogMessage, hDlg, ADDR msg
.IF eax ==FALSE
invoke TranslateMessage, ADDR msg
invoke DispatchMessage, ADDR msg
.ENDIF
.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 lParam==0
.IF ax==IDM_GETTEXT
invoke GetDlgItemText,hWnd,IDC_EDIT,ADDR buffer,512
invoke MessageBox,NULL,ADDR buffer,ADDR AppName,MB_OK
.ELSEIF ax==IDM_CLEAR
invoke SetDlgItemText,hWnd,IDC_EDIT,NULL
.ELSE
invoke DestroyWindow,hWnd
.ENDIF
.ELSE
mov edx,wParam
shr edx,16
.IF dx==BN_CLICKED
.IF ax==IDC_BUTTON
invoke SetDlgItemText,hWnd,IDC_EDIT,ADDR TestString
.ELSEIF ax==IDC_EXIT
invoke SendMessage,hWnd,WM_COMMAND,IDM_EXIT,0
.ENDIF
.ENDIF
.ENDIF
.ELSE
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.ENDIF
xor eax,eax
ret
WndProc endp
end start

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Dialog.rc

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#include "resource.h"
#define IDC_EDIT 3000
#define IDC_BUTTON 3001
#define IDC_EXIT 3002

#define IDM_GETTEXT 32000
#define IDM_CLEAR 32001
#define IDM_EXIT 32003

MyDialog DIALOG 10, 10, 205, 60
STYLE 0x0004 | DS_CENTER | WS_CAPTION | WS_MINIMIZEBOX |
WS_SYSMENU | WS_VISIBLE | WS_OVERLAPPED | DS_MODALFRAME | DS_3DLOOK
CAPTION "Our First Dialog Box"
CLASS "DLGCLASS"
BEGIN
EDITTEXT IDC_EDIT, 15,17,111,13, ES_AUTOHSCROLL | ES_LEFT
DEFPUSHBUTTON "Say Hello", IDC_BUTTON, 141,10,52,13
PUSHBUTTON "E&xit", IDC_EXIT, 141,26,52,13, WS_GROUP
END

MyMenu MENU
BEGIN
POPUP "Test Controls"
BEGIN
MENUITEM "Get Text", IDM_GETTEXT
MENUITEM "Clear Text", IDM_CLEAR
MENUITEM "", , 0x0800 /*MFT_SEPARATOR*/
MENUITEM "E&xit", IDM_EXIT
END
END

分析：
我们先来分析第一个例子：
该例显示了如何把一个对话框模板注册成一个窗口类，然后创建一个由该窗口类派生的窗口。由于您没有必要自己去创建子窗口控件，所以就简化了许多的工作。
我们先来分析对话框模板。
MyDialog DIALOG 10, 10, 205, 60