// Token: 0x06004E49 RID: 20041 RVA: 0x0016061C File Offset: 0x0015E81C
private static void OnHeaderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
HeaderedItemsControl headeredItemsControl = (HeaderedItemsControl)d;
headeredItemsControl.SetValue(HeaderedItemsControl.HasHeaderPropertyKey, (e.NewValue != null) ? BooleanBoxes.TrueBox : BooleanBoxes.FalseBox);
headeredItemsControl.OnHeaderChanged(e.OldValue, e.NewValue);
}
/// <summary>
/// HeaderProperty property changed handler.
/// </summary>
/// <param name="d">
/// HeaderedItemsControl that changed its Header.
/// </param>
/// <param name="e">Event arguments.</param>
private static void OnHeaderPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
HeaderedItemsControl source = d as HeaderedItemsControl;
source.OnHeaderChanged(e.OldValue, e.NewValue);
}