CPen pen;//画笔pen.CreatePen(PS_SOLID, 1, m_coForeColor);CPen * pOldPen = theMemDC.SelectObject(&pen);LOGBRUSH logBrush;logBrush.lbStyle = BS_SOLID;logBrush.lbColor = m_coForeColor;CBrush brush;brush.CreateBrushIndirect(&logBrush);CBrush * pOldBrush = theMemDC.SelectObject(&brush);CPoint pt[] = { CPoint(9,9),CPoint(25,17),CPoint(9,28) };theMemDC.Polygon(pt, 3);//画三角形//标题文字CRect rt2(30, 9, 250, 27);theMemDC.SetBkMode(0);theMemDC.SetTextColor(m_coForeColor);theMemDC.SetBkColor(RGB(255, 0, 0));CFont font;font.CreatePointFont(99, _T("微软雅黑"), &theMemDC);CFont * pOldFont = theMemDC.SelectObject(&font);theMemDC.DrawText(m_sTime, rt2, DT_SINGLELINE | DT_LEFT);m_bmpBlueToothOpenDC.BitTrans(610, 7, m_bmpBlueToothOpenDC.Width(), m_bmpBlueToothOpenDC.Height(), &theMemDC, 0, 0, RGB(43, 157, 229));pDC->BitBlt(0,0,m_nWidth,m_nHeight,&theMemDC,0,0,SRCCOPY);theMemDC.SelectObject(pOldPen);theMemDC.SelectObject(pOldFont);theMemDC.SelectObject(pOldBrush);MemDC.DeleteDC();