public void PopulateTreeView(TreeView treeView, string alias, string folder)
{
treeView.BeginUpdate();
treeView.Nodes.Clear();
List<TreeNode> effects = new List<TreeNode>();
if (alias != string.Empty)
{
AddTreeNodesByAlias(effects, alias);
}
AddTreeNodesByFolder(effects, folder);
treeView.Nodes.AddRange(effects.ToArray());
treeView.EndUpdate();
}