private static string identifier(string wmiClass, string wmiProperty) { string result = ""; System.Management.ManagementClass mc = new System.Management.ManagementClass(wmiClass); System.Management.ManagementObjectCollection moc = mc.GetInstances(); foreach (System.Management.ManagementObject mo in moc) { //Only get the first one if (result == "") { try { result = mo[wmiProperty].ToString(); break; } catch { } } } return result; }