BOOL InitWindowsClass(HINSTANCE hInstance);
BOOL InitWindows(HINSTANCE hInstance,int nCmdShow);
//主函数
( HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)MSG Message;
if(!InitWindowsClass(hInstance))return FALSE;if(!InitWindows(hInstance,nCmdShow))return FALSE;while(GetMessage(&Message,0,0,0))//消息循环{
TranslateMessage(&Message);DispatchMessage(&Message);}
return Message.wParam;
{
}
long WINAPI WndProc(HWND hWnd,UINT iMessage,消息处理函数UINT wParam,LONG lParam) {HDC hDC; //定义指向设备的句柄HBRUSH hBrush; //定义指向画刷的句柄HPEN hPen;//定义指向画笔的句柄PAINTSTRUCT PtStr;//定义指向包含绘图信息的结构体变量switch(iMessage) //处理消息{case WM_PAINT://处理绘图消息hDC=BeginPaint(hWnd,&PtStr);SetMapMode(hDC,MM_ANISOTROPIC); //设置映像模式hPen=(HPEN)GetStockObject(BLACK_PEN);//黑色画笔hBrush=(HBRUSH)GetStockObject(DKGRAY_BRUSH); //画刷SelectObject(hDC,hBrush); //选择画刷下面只改变画刷，不改变笔SelectObject(hDC,hPen); //选择画笔RoundRect(hDC,50,120,100,200,15,15); //绘制圆角矩形hBrush=(HBRUSH)GetStockObject(LTGRAY_BRUSH); //采用亮灰色画刷SelectObject(hDC,hBrush); //选择画刷
Ellipse(hDC,150,50,200,150); SelectObject(hDC,hBrush); EndPaint(hWnd,&PtStr);
//绘制椭圆//选择画刷//结束绘图
//结束应用程序
hBrush=(HBRUSH)GetStockObject(HOLLOW_BRUSH); //虚画刷Pie(hDC,250,50,300,100,250,50,300,50); //绘制饼形
return 0;case WM_DESTROY:
PostQuitMessage(0); return 0;
default:}
//其他消息处理程序
return(DefWindowProc(hWnd,iMessage,wParam,lParam)) ;
}
BOOL InitWindows(HINSTANCE hInstance,int nCmdShow)//初始化窗口{HWND hWnd;
hWnd=CreateWindow(\生成窗口
\填充示例程序\
WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,0,
CW_USEDEFAULT,0,NULL,NULL,
hInstance,NULL);
if(!hWnd)return FALSE;ShowWindow(hWnd,nCmdShow);//显示窗口UpdateWindow(hWnd);return TRUE;
}