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void CvcwinDlg::OnPaint()
{
CPaintDC dc(this);
CBitmap bmp;
bmp.LoadBitmap(IDB_BITMAP1);
CDC MemDc;
MemDc.CreateCompatibleDC(&dc);
HBITMAP hBmpOld = (HBITMAP)MemDc.SelectObject(bmp);
dc.BitBlt(0,0,200,100,&MemDc,0,0,SRCCOPY);
MemDc.SelectObject(hBmpOld);
bmp.DeleteObject();
}