private void Browse_Click(object sender, EventArgs e) { DialogResult result = openFileDialog.ShowDialog(); // Show the dialog. if (result == DialogResult.OK) // Test result. { appPath.Text = openFileDialog.FileName; grantAppAuth.Enabled = !firewall.HasAuthorization(openFileDialog.FileName); removeAppAuth.Enabled = firewall.HasAuthorization(openFileDialog.FileName); port.Enabled = true; } else if (appPath.Text.Trim().Length == 0) { grantAppAuth.Enabled = false; removeAppAuth.Enabled = false; port.Enabled = false; } }