private void frmCryptographer_Load(object sender, EventArgs e)
 {
     ceasarCipher   = new frmCaesar();
     vigenereCipher = new frmVigenere();
     playfairCipher = new frmPlayfair();
     DESCipher      = new frmDES();
     AESCipher      = new frmAES();
     RSACipher      = new frmRSA();
     RSASigature    = new frmRSASignature();
     diffieHellman  = new frmDiffieHellman();
 }
        private void frmVigenereInfo_Load(object sender, EventArgs e)
        {
            int i = 0;

            foreach (char letter in numAlphabet.getAlphabet())
            {
                lstAlphabet.Items.Add(i + " => " + letter);
                i++;
            }
            rdoBtnEncrypt.Checked = true;
            vigenere = new frmVigenere();
        }
 private void btnVigenere_Click(object sender, EventArgs e)
 {
     if (!vigenereCipher.Visible)
     {
         vigenereCipher = new frmVigenere();
         vigenereCipher.Show();
     }
     else
     {
         vigenereCipher.BringToFront();
     }
 }
 private void btnVigenere_Click(object sender, EventArgs e)
 {
     if (!vigenere.Visible)
     {
         vigenere = new frmVigenere();
         vigenere.Show();
         if (txtMessage.Text != "" && txtKey.Text != "")
         {
             vigenere.setMessageAndKey(txtMessage.Text, txtKey.Text);
         }
         this.Close();
     }
 }
        private void frmVigenereInfo_FormClosing(object sender, FormClosingEventArgs e)
        {
            frmVigenere vigenere = new frmVigenere();

            vigenere.Close();
        }