Avec WMI :

          string cpuInfo =  String.Empty;
            string temp=String.Empty;
            ManagementClass mc = new ManagementClass("Win32_Processor");
            ManagementObjectCollection moc = mc.GetInstances();
            foreach(ManagementObject mo in moc)
            {
                if(cpuInfo==String.Empty)
                {// only return cpuInfo from first CPU
                    cpuInfo = mo.Properties["ProcessorId"].Value.ToString();
                }            
            }
            return cpuInfo;


::|The S@ib|::
MVP C#.NET