protected override UIElement GetOrCreateElementAtCore(int index, ElementRealizationOptions options)
{
if (m_nonVirtualizingContext.TryGetTarget(out var context))
{
return(context.Children[index]);
}
return(null);
}
protected virtual UIElement GetOrCreateElementAtCore(int index, ElementRealizationOptions options)
{
throw new NotImplementedException();
}
public UIElement GetOrCreateElementAt(int index, ElementRealizationOptions options)
{
// Calling this way because GetOrCreateElementAtCore is ambiguous.
// Use .as instead of try_as because try_as uses non-delegating inner and we need to call the outer for overrides.
return(GetOrCreateElementAtCore(index, options));
}
protected override UIElement GetOrCreateElementAtCore(int index, ElementRealizationOptions options)
{
return(GetOwner().GetElementImpl(index,
(options & ElementRealizationOptions.ForceCreate) == ElementRealizationOptions.ForceCreate,
(options & ElementRealizationOptions.SuppressAutoRecycle) == ElementRealizationOptions.SuppressAutoRecycle));
}
protected abstract UIElement GetOrCreateElementAtCore(int index, ElementRealizationOptions options);
