private void decryptionToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Decryption dec = new Decryption();

            dec.ShowDialog();
            //dec.Show();
        }
        private void linkLabelDecryption_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            Decryption dec = new Decryption();

            dec.ShowDialog();
        }