自己没事写了个自己不断切换背景色的Label控件（重载的系统的Label），就是给控件添加个线程，不断切换背景，求优化方法，或者更好的方法，谢谢

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代码如下：

    public partial class LabelEx : Label
    {
        public Color BackColorOne
        {
            get { return backColorOne; }
            set { backColorOne = value; }
        }

        public Color BackColorTwo
        {
            get { return backColorTwo; }
            set { backColorTwo = value; }
        }
        
        public LabelEx()
        {
            BackColor = backColorOne;
            InitializeComponent();
        }

        public bool Status
        {
            get
            {
                return status;
            }
            set
            {
                if (status != value)
                {
                    status = value;
                    if (status)
                    {
                        if (SetBackColorThread != null && SetBackColorThread.IsAlive)
                        {
                            SetBackColorThread.Abort();
                            SetBackColorThread = null;
                        }
                        SetBackColorThread = new Thread(new ThreadStart(SetStatus));
                        SetBackColorThread.IsBackground = true;
                        SetBackColorThread.Start();

                    }
                    else
                    {
                        if (SetBackColorThread != null)
                        {
                            SetBackColorThread.Abort();
                        }
                        SetBackColorThread = null;
                        BackColor = BackColorOne;
                    }
                }
            }
        }

        private void SetStatus()
        {
            while (true)
            {
                if (BackColor == BackColorOne)
                {
                    BackColor = BackColorTwo;
                }
                else
                {
                    BackColor = BackColorOne;
                }
                Thread.Sleep(1000);
            }
        }
    }

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另外求，如何改变控件的形状

[猴头]

新手，菜鸟，求大家来指导