再进一步、
.386 .model flat,stdcall option casemap:none include Windows.inc include user32.inc includelib user32.lib include kernel32.inc includelib kernel32.lib WinMain proto :DWORD ,:DWORD,:DWORD,:DWORD ;WinMain 函数原型定义 .DATA ClassName db "SimpleWinClass",0 AppName db "My First Window",0 .DATA? ;没有初始化的数据 hInstance HINSTANCE ? CommandLine LPSTR ? ;字符串指针变量 .CODE start: ;----------------------------------------------------------------------------------------------------------- ;得到应用程序的句柄 invoke GetModuleHandle,NULL mov hInstance,eax ;----------------------------------------------------------------------------------------------------------- ;得到命令行参数 invoke GetCommandLine mov CommandLine,eax ;调用WinMain函数 invoke WinMain,hInstance,NULL,CommandLine,SW_SHOWDEFAULT ;----------------------------------------------------------------------------------------------------------- ;退出该应用程序 invoke ExitProcess,eax ;----------------------------------------------------------------------------------------------------------- WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD LOCAL wc:WNDCLASSEX LOCAL msg:MSG LOCAL hwnd:HWND ;----------------------------------------------------------------------------------------------------------- ;注册窗口类 mov wc.cbSize,SIZEOF WNDCLASSEX mov wc.style,CS_HREDRAW or CS_VREDRAW mov wc.lpfnWndProc,OFFSET WndProc ;指定窗口的回调函数 mov wc.cbClsExtra,NULL mov wc.cbWndExtra,NULL push hInstance pop wc.hInstance ;保存窗口的实例句柄 mov wc.hbrBackground,COLOR_WINDOW+1 ;窗口的背景颜色 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 ;----------------------------------------------------------------------------------------------------------- ;创建窗口对象 invoke CreateWindowEx,NULL, ADDR ClassName, ADDR AppName, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInst, NULL mov hwnd,eax ;----------------------------------------------------------------------------------------------------------- ;显示窗口 invoke ShowWindow,hwnd,CmdShow ;----------------------------------------------------------------------------------------------------------- ;刷新窗口客户区 invoke UpdateWindow,hwnd ;----------------------------------------------------------------------------------------------------------- ;进入获取窗口消息的循环 .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 ;----------------------------------------------------------------------------------------------------------- ;窗口回调函数 WndProc proc hWnd:HWND,uMsg:UINT,wParam:WPARAM,lParam:LPARAM ;关闭消息--退出处理 .IF uMsg==WM_DESTROY invoke PostQuitMessage,NULL .ELSE invoke DefWindowProc,hWnd,uMsg,wParam,lParam ret .endif xor eax,eax ret WndProc endp end start