Imitation of the left telescopic menu effect of imitating windows based on C#

using System;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
namespace LikesXP
{
  public partial class Frm_Main : Form
  {
    public Frm_Main()
    {
      InitializeComponent();
    }
    private static Panel Var_Panel = new Panel();//Create static fields    private static PictureBox Var_Pict = //Create static fields      new PictureBox();
    private static int Var_i = 0;//Create static fields    private Font Var_Font = new Font("Songyi", 9); //Create font fields    private void pictureBox_1_Click(object sender, EventArgs e)
    {
      Var_i = Convert.ToInt16((//Get the data in the control        (PictureBox)sender).());
      switch (Var_i)
      {
        case 1:
          {
            Var_Panel = panel_Gut_1;//Get the panel object reference            //Var_Pict = pictureBox_1;//Get the reference of the PictureBox object            break;
          }
        case 2:
          {
            Var_Panel = panel_Gut_2;//Get the panel object reference            Var_Pict = pictureBox_2;//Get the PictureBox object reference            break;
          }
        case 3:
          {
            Var_Panel = panel_Gut_3;//Get the panel object reference            Var_Pict = pictureBox_3;//Get the PictureBox object reference            break;
          }
      }
      if (Convert.ToInt16(Var_Panel.()) == 0 || Convert.ToInt16(Var_Panel.()) == 2)
      {
        Var_Panel.Tag = 1;//Set to hide the logo        Var_Pict.Image = .Down button;//Set image properties        Var_Panel.Visible = false;//Hide panel      }
      else
      {
        if (Convert.ToInt16(Var_Panel.()) == 1)
        {
          Var_Panel.Tag = 2;//Set to display the logo          Var_Pict.Image = .Upward button;//Set image properties          Var_Panel.Visible = true;//Display panel        }
      }
    }
    private void Form1_Load(object sender, EventArgs e)
    {
      //pictureBox_1.Image = .upward button;//Set image information      pictureBox_2.Image = .Upward button;//Set image information      pictureBox_3.Image = .Upward button;//Set image information      Var_Font = label_1.Font;//Get font object    }
    private void label_1_MouseEnter(object sender, EventArgs e)
    {
      ((Label)sender).ForeColor = ;//Set the control text color      ((Label)sender).Font = //Set the control font        new Font(Var_Font, Var_Font.Style | );
    }
    private void label_1_MouseLeave(object sender, EventArgs e)
    {
      ((Label)sender).ForeColor = ;//Set the control text color      ((Label)sender).Font = //Set the control font        new Font(Var_Font, Var_Font.Style);
    }
    private void pictureBox1_Click(object sender, EventArgs e)
    {
      if (Convert.ToInt16(()) == 1)
      {
        ();
        ("").ToShortDateString();
        //  = .Down button;//Set image properties        // = false;//Hide panel      }
      else
      {
        if (Convert.ToInt16(()) == 0)
        {
          ();
          // = 1;//Set to display the logo          // = .Upward button;//Set image properties          // = true;//Display panel        }
      }
    }
    private void timer1_Tick(object sender, EventArgs e)
    {
      long longWidth = ;
      //If the panel is currently hidden      if (Convert.ToInt16(()) == 0)
      {
        if (longWidth == 200)
        {
           = false;
           = 1;//Set to display the logo        }
        else
        {
           += 10;
        }
      }
      //If the panel is currently displayed      if (Convert.ToInt16(()) == 1)
      {
        if (longWidth == 0)
        {
           = false;
           = 0;//Set to hide the logo        }
        else
        {
           -= 10;
        }
      }
    }
  }
}