/// <summary>
/// 将子节点移动到新的索引位置。
/// </summary>
/// <param name="newIndex">新的索引位置</param>
/// <param name="child">要移动位置的子节点</param>
/// <returns>成功与否？</returns>
public virtual bool MoveChild(int newIndex, ViNamedObject child)
{
if (this.Owner != null)
{
if (child.GetParent() != this)
{
return(false);
}
}
int oldIndex = this.IndexOfChild(child);
if (oldIndex == newIndex)
{
return(true);
}
if (oldIndex > newIndex)
{
++newIndex;
}
this.Children.RemoveAt(oldIndex);
this.InsertChild(newIndex, child);
return(true);
}
/// <summary>
/// 删除子节点。
/// </summary>
/// <param name="child">被删除的子节点</param>
/// <returns>如果子节点不在本对象的子节点列表中，则失败</returns>
public virtual bool DeleteChild(ViNamedObject child)
{
if (this.Owner != null)
{
if (child.GetParent() != this.Owner)
{
return(false);
}
child.SetParent(null);
}
return(this.Children.Remove(child));
}