private void UpdateBounds()
{
Rect empty = Rect.Empty;
if (this.IsEnabled && this.treeView != null)
{
DataSchemaItem dataSchemaItem = this.DataContext as DataSchemaItem;
DataModelItemBase parent = dataSchemaItem.Parent;
int num1 = parent != null?parent.Children.IndexOf((DataModelItemBase)dataSchemaItem) : -1;
DataModelItemBase dataModelItemBase = parent == null || num1 >= parent.Children.Count - 1 ? (DataModelItemBase)null : parent.Children[num1 + 1];
int index = this.treeView.Items.IndexOf((object)dataSchemaItem);
int num2 = dataModelItemBase != null?this.treeView.Items.IndexOf((object)dataModelItemBase) : this.treeView.Items.Count;
FrameworkElement frameworkElement1 = VisualTreeHelper.GetParent((DependencyObject)this) as FrameworkElement;
if (dataSchemaItem != null && parent != null && (index >= 0 && num2 >= 0))
{
FrameworkElement frameworkElement2 = this.treeView.ItemContainerGenerator.ContainerFromIndex(index) as FrameworkElement;
if (frameworkElement2 != null)
{
Rect rect = frameworkElement2.TransformToVisual((Visual)frameworkElement1).TransformBounds(new Rect(0.0, 0.0, frameworkElement2.ActualWidth, frameworkElement2.ActualHeight));
empty.Union(rect);
}
if (num2 > index)
{
FrameworkElement frameworkElement3 = this.treeView.ItemContainerGenerator.ContainerFromIndex(num2 - 1) as FrameworkElement;
if (frameworkElement3 != null)
{
Rect rect = frameworkElement3.TransformToVisual((Visual)frameworkElement1).TransformBounds(new Rect(0.0, 0.0, frameworkElement3.ActualWidth, frameworkElement3.ActualHeight));
empty.Union(rect);
}
}
}
}
if (empty.IsEmpty)
{
this.Visibility = Visibility.Collapsed;
}
else
{
this.Visibility = Visibility.Visible;
this.RenderTransform = (Transform) new TranslateTransform(empty.Left, empty.Top);
this.Height = empty.Height;
}
}
public override int CompareTo(DataModelItemBase treeItem)
{
return(this.DataSourceHost.DocumentNode.Marker.CompareTo((object)((DataHostItem)treeItem).DataSourceHost.DocumentNode.Marker));
}
private List <DataModelItemBase> GenerateSiblingSchemaItemRange(DataSchemaItem first, DataSchemaItem last, DataModelItemBase parent)
{
int num1 = parent.Children.IndexOf((DataModelItemBase)last);
int num2 = parent.Children.IndexOf((DataModelItemBase)first);
int num3 = num2 < num1 ? 1 : -1;
List <DataModelItemBase> list = new List <DataModelItemBase>();
int index = num2;
while (index != num1 + num3)
{
DataSchemaItem dataSchemaItem = parent.Children[index] as DataSchemaItem;
if (dataSchemaItem != null)
{
list.Add((DataModelItemBase)dataSchemaItem);
}
index += num3;
}
return(list);
}
public override int CompareTo(DataModelItemBase treeItem)
{
DataSchemaItem dataSchemaItem = (DataSchemaItem)treeItem;
return(StringLogicalComparer.Instance.Compare(this.PathName, dataSchemaItem.PathName));
}
public override int CompareTo(DataModelItemBase treeItem)
{
return(this.DisplayName.CompareTo(treeItem.DisplayName));
}
