FUNCAO WMI TRAVA

        public string GetInfoWMI(string IP, string Info)
        {
            ManagementObjectSearcher query;
            ManagementObjectCollection queryCollection;
            System.Management.ObjectQuery oq;
            string _result = [Ô][Ô];

            System.Management.ManagementScope ms = new System.Management.ManagementScope(@[Ô]\\[Ô] + IP + @[Ô]oot\cimv2[Ô]);

            try
            {
                //machine info
                oq = new System.Management.ObjectQuery([Ô]SELECT * FROM Win32_ComputerSystem[Ô]);
                query = new ManagementObjectSearcher(ms, oq);
                queryCollection = query.Get();
                
                foreach (ManagementObject mo in queryCollection)  // a função para aqui
                {
                    _result = mo[Info].ToString().ToUpper();
                }
            }
            catch
            {
                _result = [Ô][Ô];
            }

            return _result;
        }