PathGradientBrush pthGrBrush(&m_Paths[3]);
//中心点颜色
pthGrBrush.SetCenterColor(Color(255, 255, 255, 255));
// Set the color along the entire boundary of the path to aqua.
Color colors[] = {Color(255, 0, 0)};
int count = 1;
pthGrBrush.SetSurroundColors(colors, &count);
g.FillPath(&pthGrBrush, & m_Paths[i]);
g.DrawPath(m_pPens[i], & m_Paths[i]);