private void EntryTime_Tick(object sender, EventArgs e)
        {
            PersonalOrganizer newuser = new PersonalOrganizer();

            newuser.Show();
            EntryTime.Enabled = false;
            this.Hide();
        }
 private void PhoneBook_FormClosing(object sender, FormClosingEventArgs e)
 {
     if (e.CloseReason == CloseReason.UserClosing)
     {
         DialogResult result = MessageBox.Show(this, "Really want to exit??", "Closing", MessageBoxButtons.YesNo);
         if (result == DialogResult.No)
         {
             e.Cancel = true;
         }
         else
         {
             e.Cancel = false;
             PersonalOrganizer personalOrganizer = new PersonalOrganizer();
             personalOrganizer.Show();
         }
     }
 }