VC++ 绘图 设置图像颜色,是那种moveto(),lineto(),改变他们改变他们画出的颜色
在OnPaint中进行
CDialog::OnPaint();
CDC *pDC=GetDC();
for (int i=0; i<=100; i++)
{
CPen pNewPen;
pNewPen.CreatePen(PS_SOLID ,1,RGB(rand()%255,rand()%255,i%255)); // 随机色
CPen* poldPen=pDC->SelectObject(&pNewPen);
pDC->MoveTo(20,i*4);
pDC->LineTo(300,i*4);
pDC->SelectObject(poldPen);
}