📄 subject_14550.htm
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序号:14550 发表者:黄飞 发表日期:2002-09-09 08:46:36
<br>主题:疑惑!
<br>内容:#include "stdafx.h"<BR>LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);<BR>int APIENTRY WinMain(HINSTANCE hInstance,<BR> HINSTANCE hPrevInstance,<BR> LPSTR lpCmdLine,<BR> int nCmdShow)<BR>{<BR> <BR> HWND hwnd;<BR> MSG Msg;<BR> WNDCLASS wndclass;<BR> char lpszClassName[]="窗口";<BR> char lpszTitle[]="My_Windows";<BR> wndclass.style=0;<BR> wndclass.lpfnWndProc=WndProc;<BR> wndclass.cbClsExtra=0;<BR> wndclass.hInstance=hInstance;<BR> wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);<BR> wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);<BR> wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);<BR> wndclass.lpszMenuName=NULL;<BR> wndclass.lpszClassName=lpszClassName;<BR> if (!RegisterClass(&wndclass))<BR> {<BR> MessageBeep(0);<BR> return FALSE;<BR> }<BR> hwnd=CreateWindow(lpszClassName,<BR> lpszTitle,<BR> WS_OVERLAPPEDWINDOW,<BR> CW_USEDEFAULT,<BR> CW_USEDEFAULT,<BR> CW_USEDEFAULT,<BR> CW_USEDEFAULT,<BR> NULL,<BR> NULL,<BR> hInstance,<BR> NULL);<BR> ShowWindow(hwnd,nCmdShow);<BR> UpdateWindow(hwnd);<BR> while (GetMessage(&Msg,NULL,0,0))<BR> {<BR> TranslateMessage(&Msg);<BR> DispatchMessage(&Msg);<BR> }<BR> return Msg.wParam;<BR>}<BR>LRESULT CALLBACK WndProc(HWND hwnd,<BR> UINT message,<BR> WPARAM wParam,<BR> LPARAM lParam)<BR>{<BR> switch(message){<BR> case WM_DESTROY:<BR> PostQuitMessage(0);<BR> default:<BR> return DefWindowProc(hwnd,message,wParam,lParam);<BR> }<BR> return 0;<BR>}<BR>这个程序编译和连结都能通过。但是执行的时候什么也没有,这是什么回事?
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<font color=red>答案被接受</font><br>回复者:Norton AntivVirus 回复日期:2002-09-09 09:36:49
<br>内容:加入这句话:<BR><BR>wndclass.cbWndExtra = 0;
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