private void btnCreateKey_Click(object sender, EventArgs e) { if (txtPassphrase.Text.Length < 1) { MessageBox.Show("A passphrase is required to create a key.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } string passphrase = txtPassphrase.Text; var key = serviceProxy.CreateKey(passphrase); if (key == null) { return; } txtKeyId.Text = key.KeyToken; }