windows 程序的本体与操作系统之间的关系

 1 WinMain(hInst,hPrev,……)
 2 {
 3 MSG msg;
 4 RegisterClass(……);
 5 CreateWindow(……);
 6 ShowWindow(……);
 7 UpdateWindow(……);
 8 while(GetMessage(……))
 9 {
10 TranslateMessage(……);
11 DispatchMessage(……);
12 }
13 return msg.wParam;
14 }
15 
16 Window Procedure
17 
18 WndProc(hwnd,msg,wParam,lParam)
19 {
20 switch(msg):
21 case WM_CREATE:……;
22 case WM_COMMAND:……;
23 case WM_LBUTTONDOWN:……;
24 case WM_PAINT:……;
25 case WM_CLOSE:……;
26 case WM_DESTROY:……;
27 default:return DefWiindowProc(……);
28 }

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