有没有哪位大神可以提供用二叉排序树做学生成绩管理系统的源代码（c++）拜托了

protected override void OnAttached()
{
base.OnAttached ();

// Insert code that you would want run when the Behavior is attached to an object.
var dpd = DependencyPropertyDescriptor. FromProperty(ScrollViewer .VerticalOffsetProperty, AssociatedType);
dpd.AddValueChanged (
AssociatedObject,
(sender,
args) =>
{
RaiseReachingBottomEvent();
});
}

protected override void OnDetaching()
{
base.OnDetaching ();

// Insert code that you would want run when the Behavior is removed from an object.
}

private void RaiseReachingBottomEvent()
{
bool isReachingBottom = AssociatedObject. VerticalOffset >= AssociatedObject .ScrollableHeight;
if (isReachingBottom )
{
if (this .ReachingBottomEvent != null)
{
this.ReachingBottomEvent ();
}
}
}

public event Action ReachingBottomEvent;
}