protected override void OnVisibilityChanged()
{
if (_anchorable != null && _anchorable.Root != null)
{
if (_visibilityReentrantFlag.CanEnter)
{
using (_visibilityReentrantFlag.Enter())
{
if (Visibility == System.Windows.Visibility.Hidden)
{
_anchorable.Hide(false);
}
else if (Visibility == System.Windows.Visibility.Visible)
{
_anchorable.Show();
}
}
}
}
base.OnVisibilityChanged();
}
/// <summary>
/// Provides derived classes an opportunity to handle changes to the IsActive property.
/// </summary>
protected virtual void OnIsActiveChanged(DependencyPropertyChangedEventArgs e)
{
if (_isActiveReentrantFlag.CanEnter)
{
using (_isActiveReentrantFlag.Enter())
{
if (LayoutElement != null)
{
LayoutElement.IsActive = (bool)e.NewValue;
}
}
}
}
protected void FixChildrenDockLengths()
{
using (_fixingChildrenDockLengths.Enter())
OnFixChildrenDockLengths();
}