摘要： MFC中作图主要有两种方式：其一，直接调用API，如下：void CDrawView::OnLButtonDown(UINT nFlags, CPoint point){ // TODO: Add your message handler code here and/or call default// this->MessageBox("鼠标左键被按下了。"); m_ptOrigin=point; CView::OnLButtonDown(nFlags, point);}void CDrawView::OnLButtonUp(UINT nFlags, CPoint p 阅读全文