/// <summary>Called to update the current selection when items change.</summary>
/// <param name="e">The event data for the <see cref="E:System.Windows.Controls.ItemContainerGenerator.ItemsChanged" /> event.</param>
// Token: 0x060056C3 RID: 22211 RVA: 0x0017FF2C File Offset: 0x0017E12C
protected override void OnItemsChanged(NotifyCollectionChangedEventArgs e)
{
base.OnItemsChanged(e);
if (e.Action == NotifyCollectionChangedAction.Remove && base.SelectedIndex == -1)
{
int num = e.OldStartingIndex + 1;
if (num > base.Items.Count)
{
num = 0;
}
TabItem tabItem = this.FindNextTabItem(num, -1);
if (tabItem != null)
{
tabItem.SetCurrentValueInternal(TabItem.IsSelectedProperty, BooleanBoxes.TrueBox);
}
}
}
/// <summary>
/// Updates the current selection when Items has changed
/// </summary>
/// <param name="e">Information about what has changed</param>
protected override void OnItemsChanged(NotifyCollectionChangedEventArgs e)
{
base.OnItemsChanged(e);
if (e.Action == NotifyCollectionChangedAction.Remove && SelectedIndex == -1)
{
// If we remove the selected item we should select the previous item
int startIndex = e.OldStartingIndex + 1;
if (startIndex > Items.Count)
{
startIndex = 0;
}
TabItem nextTabItem = FindNextTabItem(startIndex, -1);
if (nextTabItem != null)
{
nextTabItem.SetCurrentValueInternal(TabItem.IsSelectedProperty, MS.Internal.KnownBoxes.BooleanBoxes.TrueBox);
}
}
}