添加代码-交互式技术
4）添加代码//绘制直线void CDrawView::OnDrawLine() { CDC *pDC=GetDC(); //获得当前窗口的设备上下文pDC->MoveTo(100,100); //起点pDC->LineTo(400,400); //终点} //绘制矩形void CDrawView::OnDrawRect() { CDC *pDC=GetDC(); pDC->Rectangle(100,400,400); } //绘制圆void CDrawView::OnDrawCircle() { CDC *pDC=GetDC(); pDC->Ellipse(100,300,300); }
文件大小：610.5KB
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