C++ WinMain(模板)

#include<windows.h>

//   HINSTANCE  实例的句柄.  加载资源需要用到HINSTANCE
//   HWND       窗口句柄     和窗口相关的操作
//   HDC        设备句柄     绘图的操作
LRESULT CALLBACK MyWinMain(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)//回调函数（消息的）
{
    switch(uMsg)
    {
    case WM_CLOSE:          //自动退出
        {
        ::PostQuitMessage(0);
        }
        break;
    }

    return  DefWindowProc(hWnd,uMsg,wParam,lParam); //返回消息的默认处理
}

int CALLBACK WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
    //设置画刷
    HBRUSH hBrush=::CreateSolidBrush(RGB(62,71,98));

    //设计窗口
    WNDCLASSEX wndclass;
    wndclass.cbClsExtra=0;
    wndclass.cbSize=sizeof(wndclass);
    wndclass.cbWndExtra=0;
    wndclass.hbrBackground=hBrush;
    wndclass.hCursor=0;
    wndclass.hIcon=0;
    wndclass.hIconSm=0;
    wndclass.lpfnWndProc=MyWinMain;
    wndclass.lpszClassName="Leo";   //注册窗口时候要的名字，作为参数   
    wndclass.lpszMenuName=0;        //菜单名字
    wndclass.style=CS_HREDRAW|CS_VREDRAW;
    wndclass.hInstance=hInstance;

    //注册窗口

    if(RegisterClassEx(&wndclass)== false)
    {
        MessageBox(NULL,"注册失败","提示",MB_OK);
        return 0;
    }
    //创建
    HWND hWnd=::CreateWindow("Leo","Small Test",WS_OVERLAPPEDWINDOW,0,200,500,500,NULL,NULL,hInstance,NULL);


    //显示窗口

    ShowWindow(hWnd,nCmdShow);

    //消息循环
    MSG msg;
    while(::GetMessage(&msg,0,0,0))
    {

        ::TranslateMessage(&msg);   //将得到的消息翻译
        ::DispatchMessage(&msg);    //翻译来的消息发送

    }

    return 0;
}