// A button which we use for going back to the Entrance form.
private void Button1_Click(object sender, EventArgs e)
{
Entrance entrance = new Entrance();
entrance.Show();
this.Hide();
}
private void Button1_Click(object sender, EventArgs e)
{
Entrance entrance = new Entrance(); //Creates an object for entrance
entrance.Show(); //Shows tab - Entrance
this.Hide(); //Hides the previous tab upon click, preventing too many tabs
}