/// <summary>
        /// 清空播放列表
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void pic_clear_Click(object sender, EventArgs e)
        {
            EV9000List        list   = new EV9000List();
            List <EV9000List> EVlist = new List <EV9000List>();

            for (int i = 0; i < this.Controls.Count; i++)
            {
                if (this.Controls[i].GetType().FullName.Equals(list.GetType().FullName))
                {
                    Console.WriteLine(this.Controls[i].GetType().FullName);
                    EVlist.Add((EV9000List)this.Controls[i]);
                }
            }
            foreach (EV9000List lctr in EVlist)
            {
                this.Controls.Remove(lctr);
            }
            this.filelist.Clear();
        }
        /// <summary>
        /// 设置当前正在播放的
        /// </summary>
        /// <param name="filepath"></param>
        public void SetCurrentPlayFile(String filepath)
        {
            EV9000List list = new EV9000List();

            for (int i = 0; i < this.Controls.Count; i++)
            {
                if (this.Controls[i].GetType().FullName.Equals(list.GetType().FullName))
                {
                    EV9000List lctr = (EV9000List)this.Controls[i];
                    if (lctr.Tag.Equals(filepath))
                    {
                        lctr.SetCurrentPlay();
                    }
                    else
                    {
                        lctr.SetNotSelect();
                    }
                }
            }
        }
        /// <summary>
        /// 删除播放列表文件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void pic_remove_Click(object sender, EventArgs e)
        {
            EV9000List        list   = new EV9000List();
            List <EV9000List> EVlist = new List <EV9000List>();

            for (int i = 0; i < this.Controls.Count; i++)
            {
                if (this.Controls[i].GetType().FullName.Equals(list.GetType().FullName))
                {
                    EV9000List lctr = (EV9000List)this.Controls[i];
                    if (lctr.IsSelect && !lctr.IsCurrentPlay)
                    {
                        EVlist.Add(lctr);
                    }
                }
            }
            foreach (EV9000List lctr in EVlist)
            {
                this.Controls.Remove(lctr);
                this.filelist.Remove(lctr);
            }
            PlayListRefresh(0);
        }