public override void onRemoveSelection(int ctrl)
        {
            GuiEditorGui.GuiEditor GuiEditor = "GuiEditor";

            GuiEditor.dontSyncTreeViewSelection = true;
            GuiEditor.removeSelection(ctrl);
            GuiEditor.dontSyncTreeViewSelection = false;
        }
        public void selectObject(SimObject obj, bool val)
        {
            GuiEditorGui.GuiEditor GuiEditor = "GuiEditor";

            if (val)
            {
                GuiEditor.addSelection(obj);
            }
            else
            {
                GuiEditor.removeSelection(obj);
            }
        }