C++ WIN32(奔跑吧飞鱼)

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#include<windows.h>#include"resource1.h"HINSTANCE hIns;int x=0;LRESULT CALLBACK MyWinMain(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)//回调函数(消息的){    switch(uMsg)    {    case WM_CLOSE:                  {        ::PostQuitMessage(0);        }    case WM_PAINT:                  {            HDC hdcDest=::GetDC(hWnd);  //创建一个目标DC            HDC hdcSrc =::CreateCompatibleDC(hdcDest);//创建一个兼容性dc,与目标dc兼容(此时还没装图片)            HBITMAP BitMap=::LoadBitmap(hIns,MAKEINTRESOURCE(IDB_BITMAP3));//加载位图            ::SelectObject(hdcSrc,BitMap);//这时,选择一张位图,添加上;            ::BitBlt(hdcDest,x,0,100,100,hdcSrc,0,0,SRCAND);//加载位图,首先是目标,其次是源            ::DeleteDC(hdcSrc);         //删除dc  (后创建的先释放)            ::DeleteObject(BitMap);     //删除位图            ::ReleaseDC(hWnd,hdcDest);  //释放hdc (先创建的后释放)        }        break;    case WM_KEYDOWN:            //判断按键        {            switch(wParam)      //按键里面有 virtual-key 存储在wParam里            {            case VK_RETURN:     //回车虚拟按键                {                    ::SetTimer(hWnd,100,10,NULL);   //设置编号100的10ms定时器、、只要按下回车就启动定时器,就会执行定时器里面的内容                }                break;            }        }        break;    case WM_TIMER:        {            x++;            HDC hdcDest=::GetDC(hWnd);  //创建一个目标DC            HDC hdcSrc =::CreateCompatibleDC(hdcDest);//创建一个源DC            HBITMAP BitMap=::LoadBitmap(hIns,MAKEINTRESOURCE(IDB_BITMAP3));//加载位图            ::SelectObject(hdcSrc,BitMap);//将位图放到兼容性dc里            ::Rectangle(hdcDest,0,0,500,500);//覆盖每次的轨迹,在拷贝之前设置一个矩形窗;            ::BitBlt(hdcDest,x,0,100,100,hdcSrc,0,0,SRCAND);//然后拷贝源dc里面的位图,将他放到目标窗口里            ::DeleteDC(hdcSrc);         //删除dc  (后创建的先释放)            ::DeleteObject(BitMap);     //删除位图            ::ReleaseDC(hWnd,hdcDest);  //释放hdc (先创建的后释放)        }        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){    hIns=hInstance;    //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;}
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