Winfrom Button 去掉获取焦点时的边框

Winfrom Button 去掉获取焦点时的边框：

自定义一个Button，重写ShowFocusCues方法

 /// <summary>
    /// 去掉获取焦点的边框
    /// </summary>
    public class CustomButton : Button
    {
        protected override bool ShowFocusCues
        {
            get
            {
                //return base.ShowFocusCues;
                return false;
            }
        }
    }