private void HandleKeyboardEvents()
{
Event current = Event.current;
if (((current.type == EventType.KeyDown) && (((current.keyCode == KeyCode.Space) || (current.keyCode == KeyCode.Return)) || (current.keyCode == KeyCode.KeypadEnter))) && ((this.m_Selection != null) && (this.m_Selection.Length > 0)))
{
SketchUpNode node = this.m_TreeView.FindNode(this.m_Selection[0]) as SketchUpNode;
if ((node != null) && (node != this.m_DataSource.root))
{
node.Enabled = !node.Enabled;
current.Use();
base.Repaint();
}
}
}