c#屏幕字滚动

private  Label label = new Label(); 
public string text ="材稲薄狹タΑ秨Α";
 private void main_Load(object sender, EventArgs e)
        {
            this.timer1.Start();
            SubWindow vSubWindow = new SubWindow();
            vSubWindow.AssignHandle(panel1.Handle);
            skinEngine1.SkinFile = Application.StartupPath + @"\OneGreen.ssk";

            this.label.Location = new Point(280, 13); 
            this.label.Size = new Size(149, 26); 
            this.Controls.Add (label);
            this.label.Text = ""; 
            this.timer1.Enabled = true; 
            this.timer1.Interval = 500;  
            p = new PointF(this.label.Size.Width, 0);
          

        }
        PointF p; 
        Font f = new Font("Ш蔨", 18); 
        Color c = Color.Red; 
        string temp;

 private void timer1_Tick(object sender, EventArgs e)
        {
            Graphics g = this.label.CreateGraphics();
            SizeF s = new SizeF();
            s = g.MeasureString(text, f);
            Brush brush = Brushes.Black;
            g.Clear(c);

            if (temp != text)  
            {
                p = new PointF(this.label.Size.Width, 0);
                temp = text;
            }
            else
                p = new PointF(p.X - 10, 0); 
            if (p.X <= -s.Width)
                p = new PointF(this.label.Size.Width, 0);
            g.DrawString(text, f, brush, p);

           
        }