private void OnSelectedItemChanged(DockItem oldValue, DockItem newValue)
{
SelectedItem = newValue;
if (_closingItem != null)
{
_closingItem = null;
}
if (oldValue != null)
{
oldValue.StateChanged -= new EventHandler <DockItemStateEventArgs>(OnSelectedItemStateChanged);
}
if (newValue != null)
{
if (_timer == null)
{
_timer = new DispatcherTimer();
_timer.Interval = TimerInterval;
_timer.Tick += new EventHandler(OnTimerTick);
}
_timer.Start();
if (DockPositionHelper.IsAutoHide(newValue.DockPosition))
{
newValue.StateChanged += new EventHandler <DockItemStateEventArgs>(OnSelectedItemStateChanged);
}
}
else
{
if (_timer != null)
{
_timer.Stop();
}
}
}
private void OnSelectedItemStateChanged(object sender, DockItemStateEventArgs e)
{
DockItem selectedItem = SelectedItem;
Debug.Assert(DockPositionHelper.IsAutoHide(selectedItem.DockPosition));
if (e.StateChangeMethod == DockItemStateChangeMethod.ToggleAutoHide && e.ShowMethod == DockItemShowMethod.Select)
{
BeginClose();
}
else
{
SetupShowAnimation();
}
}
/// <exclude/>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
DockPosition dockPosition = (DockPosition)value;
return(DockPositionHelper.IsAutoHide(dockPosition));
}