VixenModules.Editor.TimedSequenceEditor.MarkManager.timerPlayback_Tick C# (CSharp) Method

        private void timerPlayback_Tick(object sender, EventArgs e)
        {
            //Handle delay until playback actually starts
            if (!_playbackStarted)
            {
                _playbackStarted = _timedSequenceEditorForm.positionHasValue;
            }
            else
            {
                //detect if sequence reached the end
                if (!_timedSequenceEditorForm.positionHasValue)
                {
                    sequenceStop();
                    updatePositionControls(TimeSpan.Zero); //reset to beginning
                    updateControlsForStopped();
                }
                else
                {
                    textBoxPosition.Text = _timingSource.Position.ToString();
                    updatePositionControls(_timingSource.Position);

                    //handle playback mode
                    if (_displayedCollection != null && radioButtonPlayback.Checked)
                    {
                        handlePlaybackModeTick();
                    }
                }
            }
        }