在C#做音乐播放器的标题文字如何实现水平来回滚动

Point p = new Point();
p.X = this.labelTitle.Location.X - 10;
p.Y = this.labelTitle.Location.Y;
if (p.X < this.Location.X)
p.X = this.Width;
this.labelTitle.Location = p;
this.timerTime.Interval = 200;
这一段代码功能不完善，标题会不见