/// <summary>
/// 拷贝构造函数
/// </summary>
/// <param name="p">源对象</param>
public GraphCircle(GraphCircle p)
{
this.Center = new Point2d(p.Center);
this.Radius = p.Radius;
}
public GraphNode(GraphCircle circle, GraphText txt)
{
this.NodeCircle = circle;
this.NodeText = txt;
}
public static bool IsOnCircle(Point2d p1, GraphCircle graphCircle)
{
return(IsOnCircle(p1, graphCircle.Center, graphCircle.Radius, SelectDistance));
}