public int GetMethodQualifierSet_(string wszMethod, out IWbemQualifierSetFreeThreaded ppQualSet) { IntPtr ptr; if (this.pWbemClassObject == IntPtr.Zero) { throw new ObjectDisposedException(name); } int num = WmiNetUtilsHelper.GetMethodQualifierSet_f(0x19, this.pWbemClassObject, wszMethod, out ptr); if (num < 0) { ppQualSet = null; } else { ppQualSet = new IWbemQualifierSetFreeThreaded(ptr); } GC.KeepAlive(this); return(num); }