private static void TransferBackToSelectedItem(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TreeViewExt tve = d as TreeViewExt;
if (tve != null)
{
if (tve.SelectedItem_ == null)
{
return;
}
TreeViewItem item = TreeViewQuery.ContainerFromItem(tve, tve.SelectedItem_);
if (item != null)
{
item.IsSelected = true;
}
else
{
if (tve.Items.Count > 0)
{
item = (TreeViewItem)tve.ItemContainerGenerator.ContainerFromItem(tve.Items[0]);
if (item != null)
{
item.IsSelected = true;
}
}
}
}
}
private void TreeViewForMapping_Loaded(object sender, RoutedEventArgs e)
{
this.child_scroll_viewer = TreeViewQuery.GetScrollViewerChildOf(this);
if (this.act_on_TreeViewItem_IsExpanded_changed != null && this.child_scroll_viewer != null)
{
this.child_scroll_viewer.ScrollChanged += child_scroll_viewer_ScrollChanged;
}
}
private void ItemContainerGenerator_StatusChanged(object sender, EventArgs e)
{
if (!(this.PassedEventHanlerToChildren))
{
foreach (object item in this.Items)
{
TreeViewItemForMapping tvi = TreeViewQuery.GetSelectedTreeViewItem(this, item) as TreeViewItemForMapping;
if (tvi != null)
{
tvi.ActOnTreeViewItemExpandedChangedHandler = this.ActOnTreeViewItemExpandedChangedHandler;
}
else
{
this.PassedEventHanlerToChildren = false;
return;
}
}
this.PassedEventHanlerToChildren = true;
}
}