private static void SetEnableUnsupportedPreviewFeaturesHelper(bool enableUnsupportedPreviewFeatures, string machineName) { using (var pin = new PinCollection()) { if (string.IsNullOrEmpty(machineName)) { NativeCommon.FabricSetEnableUnsupportedPreviewFeatures(enableUnsupportedPreviewFeatures); } else { NativeCommon.FabricSetEnableUnsupportedPreviewFeatures2(enableUnsupportedPreviewFeatures, pin.AddBlittable(machineName)); } } }