c语言简单弹窗程序,比如弹出窗口可单击是和否,单击之后分别显示不同的...答:case WM_LBUTTONDOWN:HDC hdc;hdc=GetDC(hwnd);if (IDYES == MessageBox(hwnd, "你好 or 拜拜?", "ask", MB_YESNO)){ TextOut(hdc,0,50,"你好",strlen("你好"));} else { TextOut(hdc,0,50,"拜拜",strlen("拜拜"));} ReleaseDC(hwnd,hdc);break;case WM_PAINT:HDC hDC;PAIN...