public override void OnActivate()
{
BackgroundColor = Color.Blue;
BorderColor = Color.White;
hasChanged = true;
internalGrid = new UIGridList();
internalGrid.OnScrollWheel += PartExchangeUI.onScrollWheelForUIText;
//scrollbar = new UIScrollbar();
scrollbar = new InvisibleScrollbar();
Append(internalGrid);
scrollbar.SetView(100f, 1000f);
scrollbar.Height.Set(0, 1f);
scrollbar.Width.Set(1, 0);
scrollbar.Left.Set(-14, 1f);
Append(scrollbar);
internalGrid.SetScrollbar(scrollbar);
allTree.open();
}
