利用Microsoft VC++6.0 的MFC 的绘图工具实现简单图形的绘制

 1 void CMy00View::OnDraw(CDC* pDC)
 2 {
 3     CMy00Doc* pDoc = GetDocument();
 4     ASSERT_VALID(pDoc);
 5     // TODO: add draw code for native data here
 6    
 7     COLORREF clr;
 8     int x=20,y=20;
 9     pDC->SetPixelV(x,y,RGB(255,0,0));
10     clr=pDC->GetPixel(x,y);
11     pDC->SetPixelV(x+100,y,clr);//像素点
12     pDC->Rectangle(100,200,200,300);//矩形
13 }

 1 void CMy00View::OnDraw(CDC* pDC)
 2 {
 3     CMy00Doc* pDoc = GetDocument();
 4     ASSERT_VALID(pDoc);
 5     // TODO: add draw code for native data here
 6     //从起点P0（20,30）到终点P1（200,300）画一条1像素宽的蓝色直线，
 7         CPen NewPen,*p01dPen;
 8     NewPen.CreatePen(PS_SOLID,1,RGB(0,0,255));
 9     p01dPen=pDC->SelectObject(&NewPen);
10     pDC->MoveTo(20,30);
11     pDC->LineTo(200,300);
12     pDC->SelectObject(p01dPen);
13     NewPen.DeleteObject();
14 }

 1 void CMy00View::OnDraw(CDC* pDC)
 2 {
 3     CMy00Doc* pDoc = GetDocument();
 4     ASSERT_VALID(pDoc);
 5     // TODO: add draw code for native data here
 6         CPen NewPen,*p01dPen;
 7     NewPen.CreatePen(PS_SOLID,1,RGB(0,0,255));
 8     p01dPen=pDC->SelectObject(&NewPen);
 9     CBrush NewBrush,*p01dBrush;
10     NewBrush.CreateSolidBrush(RGB(0,255,0));
11     p01dBrush=pDC->SelectObject(&NewBrush);
12         pDC->Rectangle(100,100,600,300);
13     pDC->SelectObject(p01dBrush);
14     NewBrush.DeleteObject();
15 }