CodeTV.PanelTimeLine.trackBarExTimeLine_Scroll C# (CSharp) Method

        private void trackBarExTimeLine_Scroll(object sender, EventArgs e)
        {
            if (MainForm.GraphBuilder is ITimeShifting)
            {
                ITimeShifting timeShifting = MainForm.GraphBuilder as ITimeShifting;
                TimeSpan start;
                TimeSpan stop;
                timeShifting.GetPositions(out start, out stop);

                double currentPosition = (double)this.trackBarExTimeLine.Value / 1000.0;

                TimeSpan position = TimeSpan.FromSeconds(currentPosition) + start;
                timeShifting.SetPosition(position);

                MainForm.SetVideoRefreshTimer();
            }
            else if (MainForm.GraphBuilder is IPlayer)
            {
                IPlayer player = MainForm.GraphBuilder as IPlayer;
                double currentPosition = (double)this.trackBarExTimeLine.Value / 1000.0;

                TimeSpan position = TimeSpan.FromSeconds(currentPosition);
                player.SetPosition(position);

                MainForm.SetVideoRefreshTimer();
            }
        }