public void btnEncryptFile_Click(object sender, EventArgs e)
{
if (txtFilePath.Text == "")
{
MessageBox.Show("Please Choose a File to Encrypt", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Error);
btnBrowse.Focus();
}
else if (txtEnKey.Text == "")
{
MessageBox.Show("Enter Key for Encryption", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtEnKey.Focus();
}
else
{
pgsEncryptionBar.Show();
Thread.Sleep(500);
pgsEncryptionBar.Value = 20;
Thread.Sleep(500);
String inputString = rtbFileContent.Text;
String key = txtEnKey.Text;
VigenereCipher vc = new VigenereCipher();
EncryptedText = vc.EncryptText(inputString, key);
pgsEncryptionBar.Value = 60;
Thread.Sleep(500);
pgsEncryptionBar.Value = pgsEncryptionBar.Maximum;
lblDone.Show();
Thread.Sleep(1500);
btnViewFile.Show();
btnClearAll.Show();
}
}
private void btnDecryptText_Click(object sender, EventArgs e)
{
if (rtbInputText.Text == "")
{
MessageBox.Show("Please Enter the text to Decrypt", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
else if (txtKey.Text == "")
{
MessageBox.Show("Please Enter Decryption Key", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
else
{
String inputString = rtbInputText.Text;
String key = txtKey.Text;
VigenereCipher vc = new VigenereCipher();
String DecryptedText = vc.DecryptText(inputString, key);
rtbDecryptedText.Text = DecryptedText;
}
}
