public void OnCanvasTreeGUI(Rect rect)
{
if (root == null)
{
return;
}
Event e = Event.current;
if (!rect.Contains(Event.current.mousePosition))
{
GUINodeSelection.dragNode = null;
}
root.CalcHeight();
var rs = rect.HorizontalSplit(root.Height);
scroll = GUI.BeginScrollView(rect, scroll, rs[0]);
root.OnCanvasTreeGUI(rs[0], e);
GUI.EndScrollView();
if (HandleEve)
{
EmptyEve(e, rs[1]);
}
}
