C#窗体停靠实现与详解

/// <summary>
    /// 窗口停靠隐藏类
    /// 使用方法
    /// private FormDock formDock = null;
    /// formDock = new FormDock(this,300);
    /// </summary>
    public class FormDock
    {
        #region 自定义声明
        /// <summary>
        /// 定义计时器
        /// </summary>
        private Timer StopRectTimer = new Timer();

        /// <summary>
        /// 贴边设置
        /// </summary>
        internal AnchorStyles StopAanhor = AnchorStyles.None;

        /// <summary> 
        /// 父级窗口实例 
        /// </summary> 
        private Form parentForm = null;

        private Point m_TempPoiont;//临时点位置
        private Point m_LastPoint;//窗体最小化前的坐标点位置

        #endregion

        #region 构造函数

        /// <summary> 
        /// 自动停靠
        /// </summary> 
        /// <param name="frmParent">父窗口对象</param> 
        public FormDock(Form frmParent)
        {
            parentForm = frmParent;
            parentForm.LocationChanged += new EventHandler(parentForm_LocationChanged);
            StopRectTimer.Tick += new EventHandler(timer1_Tick);    //注册事件
            StopRectTimer.Interval = 500;                           //计时器执行周期
            StopRectTimer.Start();                                  //计时器开始执行
        }
        /// <summary>
        /// 自动停靠 
        /// </summary>
        /// <param name="frmParent">父窗口对象</param>
        /// <param name="_trimInterval">时钟周期</param>
        public FormDock(Form frmParent, int _trimInterval)
        {
            parentForm = frmParent;
            parentForm.LocationChanged += new EventHandler(parentForm_LocationChanged);
            StopRectTimer.Tick += new EventHandler(timer1_Tick);    //注册事件
            StopRectTimer.Interval = _trimInterval;                           //计时器执行周期
            StopRectTimer.Start();                                  //计时器开始执行
        }
        #endregion

        /// <summary>
        /// 时钟的开始
        /// </summary>