public void AddChild(CustomTreeNode node)
{
if (children == null)
{
children = new List <CustomTreeNode>(4);
}
children.Add(node);
}
/// <summary>
/// Update tree, refresh all settings and redraw
/// </summary>
/// <param name="rootNode">new root node. Can not be null</param>
public void Update(CustomTreeNode rootNode)
{
// if null is set for root node, swap it with our fake node
if (rootNode == null)
{
rootNode = fakeEmptyNode;
}
this.selectedNode = null; // selected node should be cleared
this.rootNode = rootNode;
this.rootNode.Init();
Refresh();
}
private void RedrawSelected(CustomTreeNode old, CustomTreeNode current)
{
this.nodeDrawer.BeginDraw();
if (old != null)
{
nodeDrawer.Draw(old, false);
}
if (current != null)
{
nodeDrawer.Draw(current, true);
}
this.nodeDrawer.EndDraw();
}