private void Stk_MouseLeftButtonDown(object sender, RoutedEventArgs e)
{
if (!HasItems)
{
IsSelected = true;
if (IsChoosed == false)
{
IsChoosed = true;
}
else
{
e.Handled = true;
return;
}
ParentTreeView.OnChoosedItemChanged();
}
else
{
IsSelected = false;
if (!ParentTreeView.IsExpandDoubleClick)
{
IsExpanded = !IsExpanded;
}
}
}