private void OnKeyUp(object sender, KeyEventArgs e)
{
if (IsSupportedKey(e.Key))
{
FileTreeModel model = DataContext as FileTreeModel;
TreeNode node = model.SearchTreeNode(MakeStringFromKey(e.Key));
if (!Object.ReferenceEquals(node, null))
{
node.IsSelected = true;
ScrollTo(node);
}
}
}
