How To Make Both Windows Look Like Active At Same Time

/**
*  
*
**/


using System;
using System.Windows.Forms;
using System.Drawing;

public class Program
{
    public static void Main(string[] args)
    {
        form1 AppMain = new form1();
        Application.Run(AppMain);
    }
}


public class form1 : System.Windows.Forms.Form
{
    private ToolPanel tool;
    
    public form1()
    {
        this.Location = new Point(0, 0);
        this.Size = new Size(200, 200);
        this.tool = new ToolPanel();
        this.tool.Owner = this;
        this.Load += new EventHandler(form1_load);
    }
    
    private void form1_load(object sender, EventArgs e)
    {
        if (tool != null)
        {
            tool.Show();
        }
    }
}

public class ToolPanel : System.Windows.Forms.Form
{
    public ToolPanel()
    {
        this.Size = new Size(10, 200);
        this.ShowInTaskbar    = false;
        this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
        this.Text = "Tools";
    }
}