private void TreeView_Expanded(object sender, RoutedEventArgs e)
{
TreeViewItem currentTreeNode = sender as TreeViewItem;
if (currentTreeNode == null)
{
return;
}
if (currentTreeNode.ItemsSource == null)
{
return;
}
DirInfo parentDirectory = currentTreeNode.Header as DirInfo;
if (parentDirectory == null)
{
return;
}
foreach (DirInfo d in currentTreeNode.ItemsSource)
{
if (myViewModel.CurrentDirectory.Path.Equals(d.Path))
{
d.IsSelected = true;
d.IsExpanded = true;
break;
}
}
DirInfo _current = (currentTreeNode.DataContext as DirInfo);
_current.IsSelected = true;
if (currentTreeNode.ItemContainerGenerator.Status != GeneratorStatus.ContainersGenerated)
{
EventHandler itemsGenerated = null;
itemsGenerated = delegate(object s, EventArgs args)
{
if ((s as ItemContainerGenerator).Status == GeneratorStatus.ContainersGenerated)
{
(s as ItemContainerGenerator).StatusChanged -= itemsGenerated;
currentTreeNode.Dispatcher.BeginInvoke(DispatcherPriority.DataBind, (ThreadStart) delegate
{
Mouse.OverrideCursor = null;
_current.SetValue(FileSystemTree.IsLoadingVisibleProperty, false);
});
}
};
currentTreeNode.ItemContainerGenerator.StatusChanged += itemsGenerated;
Mouse.OverrideCursor = Cursors.Wait;
_current.SetValue(FileSystemTree.IsLoadingVisibleProperty, true);
try
{
Helpers.DoEvents();
}
catch { }
}
foreach (DirInfo _child in _current.SubDirectories)
{
if (_current.IsChecked2.HasValue)
{
_child.IsChecked2 = _current.IsChecked2;
}
}
e.Handled = true;
}
