private void buttonViewInbox_Click(object sender, EventArgs e)
        {
            //this shows the frmViewInbox form

            frmViewInbox NewViewInbox = new frmViewInbox();

            NewViewInbox.Show();

            this.Close();
        }
        private void buttonViewInbox_Click(object sender, EventArgs e)
        {
            //this shows the frmViewInbox form

            frmViewInbox NewViewInbox = new frmViewInbox();
            NewViewInbox.Show();

            this.Close();
        }