internal void SecureIUnknown(object unknown)
{
if (this.scope != null)
{
IntPtr password = this.scope.Options.GetPassword();
int errorCode = WmiNetUtilsHelper.BlessIWbemServicesObject_f(unknown, this.scope.Options.Username, password, this.scope.Options.Authority, (int)this.scope.Options.Impersonation, (int)this.scope.Options.Authentication);
Marshal.ZeroFreeBSTR(password);
if (errorCode < 0)
{
Marshal.ThrowExceptionForHR(errorCode);
}
}
}