CPaintDCdc(this);CWnd*pWnd=dc.GetWindow();CWnd*item1;item1=this->GetDlgItem(IDC_STATIC1);CRect*rect=newCRect;item1->GetWindowRect(rect);POINTa,b;a=rect->TopLeft();b=rect->BottomRight();::ScreenToClient(this->m_hWnd,&a);::ScreenToClient(this->m_hWnd,&b);CDCmemD