//navigates to newform from ExtraPrinciple form
private void newToolStripMenuItem_Click(object sender, EventArgs e)
{
//this.Hide();
New_form NM = new New_form();
NM.Show();
}
//navigates to new form from main
private void newToolStripMenuItem_Click(object sender, EventArgs e)
{
//it hides the previous window
this.Hide();
//creating an object for new form window
New_form NM = new New_form();
//displays the window
NM.Show();
}