protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
{
base.OnVisualChildrenChanged(visualAdded, visualRemoved);
ChildrenUpdated?.Invoke(visualAdded, visualRemoved);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(HasChildren)));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(ChildCount)));
}
public void AddChild(ImageWrapper w)
{
if (children == null)
{
children = new BindingList <ImageWrapper>();
}
children.Add(w);
ChildrenUpdated?.Invoke(this);
}
public void ClearChildren()
{
children = null;
ChildrenUpdated?.Invoke(this);
}
/// <summary>
/// Handles the children updated event.
/// </summary>
protected virtual void OnChildrenUpdated()
{
ChildrenUpdated?.Invoke();
}
