FairyGUI.DisplayObject.RemoveFromParent C# (CSharp) Method

        public void RemoveFromParent()
        {
            if (parent != null)
                parent.RemoveChild(this);
        }

		/// <summary>
		/// 
		/// </summary>
		/// <param name="child"></param>
		/// <param name="index"></param>
		/// <returns></returns>
		public DisplayObject AddChildAt(DisplayObject child, int index)
		{
			int count = _children.Count;
			if (index >= 0 && index <= count)
			{
				if (child.parent == this)
				{
					SetChildIndex(child, index);
				}
				else
				{
					child.RemoveFromParent();
					if (index == count)
						_children.Add(child);
					else
						_children.Insert(index, child);
					child.InternalSetParent(this);

					if (stage != null)
					{
						if (child is Container)
							child.BroadcastEvent("onAddedToStage", null);
						else
							child.DispatchEvent("onAddedToStage", null);
					}
				}
				return child;
			}
			else
			{
				throw new Exception("Invalid child index");
			}
		}