public List<ProductInfo> getlistofinstalledprograms(string IP,string username, string password)
    {
        List<ProductInfo> lstProductInfo = new List<ProductInfo>();

        try
        {
            ConnectionOptions options = new ConnectionOptions();
            options.Impersonation = System.Management.ImpersonationLevel.Impersonate;
            options.Username = username;
            options.Password = password;
            ManagementScope scope = new ManagementScope(@"\" + IP + @"rootcimv2", options);


            ObjectQuery objquery = new ObjectQuery("SELECT * FROM Win32_Product");
            ManagementObjectSearcher mobsearcher = new ManagementObjectSearcher(scope, objquery);
            ProductInfo objProductInfo;

            foreach (ManagementObject mob in mobsearcher.Get())
            {

                objProductInfo = new ProductInfo();
                objProductInfo.ProductName = Convert.ToString(mob["Name"]);
                objProductInfo.ProductVersion = Convert.ToString(mob["Version"]);
                objProductInfo.Caption=Convert.ToString(mob["Caption"]);
                objProductInfo.Description=Convert.ToString(mob["Description"]);
                objProductInfo.ProductID=Convert.ToString(mob["ProductID"]);
                objProductInfo.RegCompany=Convert.ToString(mob["RegCompany"]);
                objProductInfo.RegOwner=Convert.ToString(mob["RegOwner"]);
                objProductInfo.SKUNumber=Convert.ToString(mob["SKUNumber"]);
                objProductInfo.Vendor=Convert.ToString(mob["Vendor"]);
                objProductInfo.Vendor=Convert.ToString(mob["Vendor"]);
                lstProductInfo.Add(objProductInfo);
            }
        }
        catch (Exception)
        {

            throw;
        }

        return lstProductInfo;

    }