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qtcreator 编译时提示 出错 就是一个GUI的hello world 错误:undefined reference to `GetStockObject@4' 错误:undefined reference to `PlaySoundW@12' 代码如下 - #include<windows.h>
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- LPSTR szCmdLine, int iCmdShow)
- {
- static TCHAR szAppName[] = TEXT ("HelloWin") ;
- HWND hwnd ;
- MSG msg ;
- WNDCLASSW wndclass ;
- wndclass.style = CS_HREDRAW | CS_VREDRAW ;
- wndclass.lpfnWndProc = WndProc ;
- wndclass.cbClsExtra = 0 ;
- wndclass.cbWndExtra = 0 ;
- wndclass.hInstance = hInstance ;
- wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
- wndclass.hbrBackground= (HBRUSH)::GetStockObject(WHITE_BRUSH) ;
- wndclass.lpszMenuName = NULL ;
- wndclass.lpszClassName= szAppName ;
- if (!RegisterClass (&wndclass))
- {
- MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
- szAppName, MB_ICONERROR) ;
- return 0 ;
- }
- hwnd = CreateWindow( szAppName, // window class name
- TEXT ("The Hello Program"), // window caption
- WS_OVERLAPPEDWINDOW, // window style
- CW_USEDEFAULT,// initial x position
- CW_USEDEFAULT,// initial y position
- CW_USEDEFAULT,// initial x size
- CW_USEDEFAULT,// initial y size
- NULL, // parent window handle
- NULL, // window menu handle
- hInstance, // program instance handle
- NULL) ; // creation parameters
- ShowWindow (hwnd, iCmdShow) ;
- UpdateWindow (hwnd) ;
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg) ;
- DispatchMessage (&msg) ;
- }
- return msg.wParam ;
- }
- LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
- {
- HDC hdc ;
- PAINTSTRUCT ps ;
- RECT rect ;
- switch (message)
- {
- case WM_CREATE:
- ::PlaySoundW (TEXT ("hellowin.wav"), NULL, SND_FILENAME | SND_ASYNC) ;
- return 0 ;
- case WM_PAINT:
- hdc = BeginPaint (hwnd, &ps) ;
- GetClientRect (hwnd, &rect) ;
- DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
- DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
- EndPaint (hwnd, &ps) ;
- return 0 ;
- case WM_DESTROY:
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, message, wParam, lParam) ;
- }
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