public void DeleteChildrenOnPaint(GraphItem child)
{
lock (ToBeDeleteChildren)
{
ToBeDeleteChildren.Add(child);
}
}
public static GraphItem Select(Point point, GraphItem root)
{
if (root == null)
{
return(null);
}
if (root.IsContain(point))
{
return(root);
}
if (root.Children == null)
{
return(null);
}
foreach (GraphItem gi in root.Children)
{
if (Select(point, gi) != null)
{
return(gi);
}
}
return(null);
}