private void DecryptButton_Click(object sender, EventArgs e) { if (DecryptionHash.Text == "") { DialogResult dlgRes = MessageBox.Show("Please Insert a Valid Hash Key", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } if (SelectImagetoDecryptBox.Text == "") { DialogResult dlgRes = MessageBox.Show("Please Insert a Valid Image", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } string HashInput = DecryptionHash.Text; Decrypt newDecrypt = new Decrypt(HashInput, SelectImagetoDecryptBox.Text); string resultMessage = newDecrypt.getSecretMessage(); OutputMessageBox.Text = resultMessage; }