void OnUnLoaded(object sender, RoutedEventArgs e)
{
DeInitInputEventRouting();
if (dragNDropController != null)
{
dragNDropController.Dispose();
dragNDropController = null;
}
autoScroller = null;
Selection = null;
isInitialized = false;
}
void OnLoaded(object sender, RoutedEventArgs e)
{
if (!isInitialized)
{
autoScroller = new AutoScroller(this);
dragNDropController = new DragNDropController(this, autoScroller)
{
Enabled = IsDragNDropEnabled
};
Selection = new SelectionMultiple(this);
InitInputEventRouting();
isInitialized = true;
}
}
public DragNDropController(TreeViewEx treeViewEx, AutoScroller autoScroller)
: base(treeViewEx)
{
this._AutoScroller = autoScroller;
}