MFC 設置窗口背景圖片

//在Onpaint函數中加入如下代碼    
//----------給窗口設置背景圖片----------------------------
        CPaintDC dc(this);
        CRect   myrect;   
        GetClientRect(&myrect);   
        CDC   dcMem;   
        dcMem.CreateCompatibleDC(&dc);   
        CBitmap   bmpBackground;   
        bmpBackground.LoadBitmap(IDB_BITMAP1);   //IDB_BITMAP_TOOL是你自己的圖對應的ID 
        BITMAP   bitmap;   
        bmpBackground.GetBitmap(&
        bitmap);   
        CBitmap   *pbmpOld=dcMem.SelectObject(&bmpBackground);   
        dc.StretchBlt(0,0,myrect.Width(),myrect.Height(),&dcMem,0,0,   
        bitmap.bmWidth,bitmap.bmHeight,SRCCOPY);