Not in TaskBar

   


  using System;
  using System.Drawing;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;

  public class Form1 : System.Windows.Forms.Form
  {
    private Button myButton; 

    public Form1()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
        
            this.ShowInTaskbar=false;

      myButton = new Button();
      myButton.Text = "Minimize the window and you won't find it in TaskBar";
      myButton.Location = new System.Drawing.Point(64, 32);
      myButton.Size = new System.Drawing.Size(450, 50);
 
      Controls.Add(myButton);
    }

    static void Main() 
    {
      Application.Run(new Form1());
    }
  }