/// <summary>
/// Invoked when the System.Windows.Controls.ItemsControl.Items property changes.
/// </summary>
/// <param name="e">Information about the change.</param>
protected override void OnItemsChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
{
foreach (Visual visual in e.NewItems)
{
RibbonControl.SetAppropriateSize((UIElement)visual, State);
}
}
base.OnItemsChanged(e);
}
static void SetAppropriateSizeRecursive(UIElement root, RibbonGroupBoxState ribbonGroupBoxState)
{
if (root == null) return;
if (root is RibbonControl)
{
RibbonControl.SetAppropriateSize(root, ribbonGroupBoxState);
return;
}
int childrenCount = VisualTreeHelper.GetChildrenCount(root);
for (int i = 0; i < childrenCount; i++)
{
SetAppropriateSizeRecursive(VisualTreeHelper.GetChild(root, i) as UIElement, ribbonGroupBoxState);
}
}