How do I control mouse position

public partial class Form2 : Form
   {
       Graphics staff;
       Graphics note;
       Font f1 = new System.Drawing.Font("Polihymnia", 35, FontStyle.Regular);//music font size 35
       public Form2()
       {
           InitializeComponent();
       }

<pre lang="C#">private void Form2_Load(object sender, EventArgs e)
        {
            staff = panel1.CreateGraphics(); 
             note = panel1.CreateGraphics();
                              //------------------------------------------
            PictureBox pb = new PictureBox() { Image = Image.FromFile(@"G:\hh.png") };//cursor _whole note   
            this.Cursor = new Cursor(((Bitmap)pb.Image).GetHicon());
            
                              //------------------------------------------
         
            
        }

        private void staff_show(int x)//
        {
           
            
          

            Pen _pen = new Pen(Color.Black); 
            //---------------------------------------------

            for (int i = x; i <= x + 110; i = i + 110) 
            {
                for (int j = i; j <= i + 40; j = j + 10)
                {
                    staff.DrawLine(_pen, 100, j, 900, j); // staff
                }
            note.DrawString("c", f1, Brushes.Black, 125, i-22); // 4/4 ---------------------------------
            }

            for (int ii = 100; ii <= 900; ii = ii + 200)
            {
                staff.DrawLine(_pen, ii, x, ii, x + 150); // barline
                
            }
            note.DrawString("G", f1, Brushes.Black, 90, x-11); // G clef --------------------------------------------
            note.DrawString("?", f1, Brushes.Black, 90, x+80); // F clef --------------------------------------------
        
           
           
        }

        private void Form2_Shown(object sender, EventArgs e)
        {

            staff_show(100);
            staff_show(340);
            staff_show(580);

        }
      

    }
}