private void Form1_Load(object sender, EventArgs e)
        {
            x1 = 3;         //S_Meter S=0 Potision set
            pictureBox2 = new PictureBox();
            pictureBox2.Location = new Point(497, 70);
            pictureBox2.Size = new Size(133, 35);
                
            Controls.Add(pictureBox2);

            S_Meter(x1);        //S_Meter Draw Call
        //    Image img = WindowsFormsApplication1.Properties.Resources.S_Meter_SDR;

            AGC.Text = "AGC" + Environment.NewLine + "OFF";
        }

      

  private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
           int x1 =0;
           for (x1 = 0; x1 < 129; x1 += 3)
           {
               S_Meter(x1);
           }
           for (x1 = 129; x1 > 0; x1 -= 3)
           {
               S_Meter(x1);
           }
        }
//S_Meter Draw
       private  void  S_Meter(int x1)   
        {
           int i;       //scale pixel
        //Meter Scale Draw Pen
            Pen redpen1 = new Pen(Color.Red, 2);
            Pen redpen2 = new Pen(Color.Red, 1);
            Pen whitepen1 = new Pen(Color.White, 2);
            Pen whitepen2 = new Pen(Color.White, 1);
            Pen yellowpen = new Pen(Color.Yellow, 2);

        //Meter Brush
            SolidBrush black = new SolidBrush(Color.Black);　　//Back Ground Paint Brush
            SolidBrush white = new SolidBrush(Color.White);
            SolidBrush red = new SolidBrush(Color.Red);
            Font font = new Font("MS UI Gothic", 8);  // S_Meter Font size8
            Font font1 = new Font("MS UI Gothic", 7);  // S_Meter Font size7

            Graphics g,g2;   //g offscreen g2 pictureBox2 screen
          　 Bitmap canvas = new Bitmap(pictureBox2.Width, pictureBox2.Height);
          　 g = Graphics.FromImage(canvas);
         　 g2 = CreateGraphics();
        

               g.FillRectangle(black, 0, 0, 133, 35);　　//S_Meter BackGround Paint
               g.DrawLine(whitepen1, 3, 30, 75, 30);    //S_Meter scale
               g.DrawLine(redpen1, 75, 30, 129, 30);    //S_Meter 9over scale

               for (i = 3; i < 80; i += 18)  //S1,S3,S5,S9 scale
               {
                   g.DrawLine(whitepen1, i, 20, i, 30);
               }
               for (i = 12; i < 70; i += 18)  //S2,S4,S6 scale
               {
                   g.DrawLine(whitepen2, i, 25, i, 30);
               }
               for (i = 93; i < 130; i += 18)  //+20,+40,+60dB scale
               {
                   g.DrawLine(redpen1, i, 20, i, 30);
               }
               for (i = 84; i < 121; i += 18)  //+10,+30,+50dB scale
               {
                   g.DrawLine(redpen2, i, 25, i, 30);
               }

               g.DrawString("1    3    5     7    9", font, white, 0,10);//S_Meter S1-S9
               g.DrawString("+20 +40 +60", font1, red, 80, 10);
                g.DrawLine(yellowpen, x1, 5, x1,35);   //Meter Indicater
                pictureBox2.Image = canvas;            //PictureBox2 paste
                pictureBox2.Refresh();
               System.Threading.Thread.Sleep(20);
                

          
        }