static void HandleExecuted_Delete(object sender, ExecutedRoutedEventArgs e)
{
SharpTreeView treeView = (SharpTreeView)sender;
foreach (SharpTreeNode node in treeView.GetTopLevelSelection().ToArray())
{
node.Delete();
}
}
static void HandleCanExecute_Delete(object sender, CanExecuteRoutedEventArgs e)
{
SharpTreeView treeView = (SharpTreeView)sender;
e.CanExecute = treeView.GetTopLevelSelection().All(node => node.CanDelete());
}
