dc被剪裁成俩部分//只要区域不同可以剪裁成俩部分呀


void *******::OnPaint() 
{
        CRgn rgn;
        rgn.CreateRectRgn(LeftRect.left, LeftRect.top, LeftRect.right, LeftRect.bottom);
        dc.SelectClipRgn(&rgn);
        dc.SetTextColor(m_colTextBk);        dc.DrawText(str, ClientRect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);        rgn.DeleteObject();
        rgn.CreateRectRgn(RightRect.left, RightRect.top, RightRect.right, RightRect.bottom);
        dc.SelectClipRgn(&rgn);
        dc.SetTextColor(m_colTextFore);        dc.DrawText(str, ClientRect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}