[b]下面是一段功能奇妙的代码，大家试试，呵，申明：本代码绝非病毒代码！！！
新建工程Win32 Application

//------------一段功能奇妙的代码----------------
#include <windows.h>

#define  CELL  600
#define  TIMES 150

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
                   PSTR szCmdLine,int iCmdShow)
{
    HWND     hwnd;
    HBITMAP  hBitmap[2];
    HDC      hdcScr,hdcTemp[2];
    int      i,iScrx,iScry;
    
    iScrx=GetSystemMetrics(SM_CXSCREEN);
    iScry=GetSystemMetrics(SM_CYSCREEN);
    if(LockWindowUpdate(hwnd=GetDesktopWindow()))
    {
        hdcScr=GetDCEx(hwnd,NULL,DCX_CACHE|DCX_LOCKWINDOWUPDATE);
        hdcTemp[0]=CreateCompatibleDC(hdcScr);
        hBitmap[0]=CreateCompatibleBitmap(hdcScr,CELL,CELL);    
        SelectObject(hdcTemp[0],hBitmap[0]);
        hdcTemp[1]=CreateCompatibleDC(hdcScr);
        hBitmap[1]=CreateCompatibleBitmap(hdcScr,CELL/5,CELL/5);    
        SelectObject(hdcTemp[1],hBitmap[1]);
        BitBlt(hdcTemp[0],0,0,CELL,CELL,hdcScr,(iScrx-CELL)/2,(iScry-CELL)/2,SRCCOPY);
        BitBlt(hdcTemp[1],0,0,CELL/5,CELL/5,hdcScr,(iScrx-CELL/5)/2,(iScry-CELL/5)/2,SRCCOPY);
        for(i=1;i<TIMES;i+=5)
        {
            StretchBlt(hdcScr,(iScrx-CELL/5-i*0.8*CELL/TIMES)/2,(iScry-CELL/5-i*0.8*CELL/TIMES)/2,
                CELL/5+i*0.8*CELL/TIMES,CELL/5+i*0.8*CELL/TIMES,
                hdcTemp[1],0,0,CELL/5,CELL/5,SRCCOPY);
            Sleep(1000/TIMES);
        }
        BitBlt(hdcScr,(iScrx-CELL)/2,(iScry-CELL)/2,CELL,CELL,hdcTemp[0],0,0,SRCCOPY);
        ReleaseDC(hwnd,hdcScr);
        DeleteDC(hdcTemp[0]);
        DeleteDC(hdcTemp[1]);
        DeleteObject(hBitmap);
        LockWindowUpdate(NULL);
    }
    return FALSE;
}
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