protected virtual void OnLayoutStateChangeCompleted(object sender, LayoutStateChangeEventArgs args)
{
var threadSafeInstance = this.LayoutStateChangeCompleted;
if (threadSafeInstance != null)
{
threadSafeInstance(this, args);
}
}
void visualItem_LayoutStateChangeCompleted(object sender, LayoutStateChangeEventArgs e)
{
var visualItem = sender as AnimatedLayoutControl;
if (e.NewState == LayoutState.Unloaded)
{
visualItem.LayoutStateChangeCompleted -= new EventHandler <LayoutStateChangeEventArgs>(visualItem_LayoutStateChangeCompleted);
ItemsToRemove.Add(visualItem.DataContext);
}
}
void item_LayoutStateChangeCompleted(object sender, LayoutStateChangeEventArgs e)
{
if (e.NewState == LayoutState.Unloaded)
{
var item = sender as AnimatedLayoutControl;
item.LayoutStateChangeCompleted -= new EventHandler <LayoutStateChangeEventArgs>(item_LayoutStateChangeCompleted);
BaseItemsSource.Clear();
VisualItems.Clear();
isUnloading = false;
var itemsToAdd = NewRequestedItems.ToArray();
NewRequestedItems.Clear();
foreach (var newItem in itemsToAdd)
{
BaseItemsSource.Add(newItem);
}
}
}
