private static void OnParentDataGridControlChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var self = sender as HierarchicalGroupLevelIndicatorPane;
if (self == null)
{
return;
}
var dataGridControl = e.OldValue as DataGridControl;
if (dataGridControl != null)
{
DetailsChangedEventManager.RemoveListener(dataGridControl, self);
}
dataGridControl = e.NewValue as DataGridControl;
//register to the parent grid control's Items Collection GroupDescriptions Changed event
if (dataGridControl != null)
{
self.PrepareDefaultStyleKey(dataGridControl.GetView());
DetailsChangedEventManager.AddListener(dataGridControl, self);
self.InvalidateMeasure();
}
}
private static void OnParentDataGridControlChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
HierarchicalGroupLevelIndicatorPane self = sender as HierarchicalGroupLevelIndicatorPane;
if (self != null)
{
DataGridControl grid = e.OldValue as DataGridControl;
//unsubsribe from the old DataGridControl (the GLIP was disconnected)
if (grid != null)
{
DetailsChangedEventManager.RemoveListener(grid, self);
}
grid = e.NewValue as DataGridControl;
//register to the parent grid control's Items Collection GroupDescriptions Changed event
if (grid != null)
{
self.PrepareDefaultStyleKey(grid.GetView());
DetailsChangedEventManager.AddListener(grid, self);
self.InvalidateMeasure();
}
}
}
