private static void OnIsExpandedPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DataGridGroupHeader groupHeader = d as DataGridGroupHeader;
var context = groupHeader.DataContext as GroupHeaderContext;
if (context != null)
{
context.IsExpanded = (bool)e.NewValue;
}
groupHeader.UpdateVisualState(groupHeader.IsTemplateApplied);
if (groupHeader.Owner != null)
{
groupHeader.Owner.OnGroupIsExpandedChanged();
}
}
private static void OnIsExpandedPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DataGridGroupHeader groupHeader = d as DataGridGroupHeader;
var context = groupHeader.DataContext as GroupHeaderContext;
if (context != null)
{
context.IsExpanded = (bool)e.NewValue;
}
groupHeader.UpdateVisualState(groupHeader.IsTemplateApplied);
if (groupHeader.Owner != null)
{
groupHeader.Owner.OnGroupIsExpandedChanged();
}
var peer = FrameworkElementAutomationPeer.FromElement(groupHeader) as DataGridGroupHeaderAutomationPeer;
if (peer != null)
{
peer.RaiseExpandCollapseAutomationEvent(!((bool)e.NewValue), (bool)e.NewValue);
}
}