创建win32窗口

 1 #include <windows.h>
 2 LRESULT CALLBACK WinProc(HWND,UINT,WPARAM,LPARAM);
 3 int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR szCmdLine,int iCmdShow)
 4 {
 5     TCHAR szname[]=TEXT("classname");
 6     HWND hwnd;
 7     MSG msg;
 8     ZeroMemory(&msg,sizeof(msg));
 9     WNDCLASS wndclass;
10     wndclass.style=CS_HREDRAW | CS_VREDRAW;
11     wndclass.lpfnWndProc=WinProc;
12     wndclass.cbClsExtra=0;
13     wndclass.cbWndExtra=0;
14     wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
15     wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
16     wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
17     wndclass.hInstance=hInstance;
18     wndclass.lpszClassName=szname;
19     wndclass.lpszMenuName=NULL;
20     RegisterClass(&wndclass);
21     hwnd=CreateWindow(szname,TEXT("windowsnametest"),WS_OVERLAPPEDWINDOW ,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);
22     if(hwnd)
23         ShowWindow(hwnd,SW_SHOW);
24     else
25     {
26         MessageBox(NULL,TEXT("创建窗口失败！"),TEXT("提示"),MB_OK);
27         UnregisterClass(szname,hInstance);
28         return 1;
29     }
30     UpdateWindow(hwnd);
31     
32     while(GetMessage(&msg,hwnd,0,0)>0)
33     {
34         TranslateMessage(&msg);
35         DispatchMessage(&msg);
36     }
37     UnregisterClass(szname,hInstance);
38     return msg.wParam;
39 }
40 LRESULT CALLBACK WinProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
41 {
42     switch(message)
43     {
44     case WM_CLOSE:
45         DestroyWindow(hwnd);
46         PostQuitMessage(0);
47         break;
48     default:
49         return DefWindowProc(hwnd,message,wParam,lParam);
50     }
51     return 0;
52 }