AppUpdater.Delta.DeltaAPI.CreateDelta C# (CSharp) Method

        public static void CreateDelta(string originalFile, string newFile, string deltaFile, bool isExecutable)
        {
            DELTA_INPUT options = new DELTA_INPUT();

            long fileType = isExecutable ? NativeConstants.DELTA_FILE_TYPE_SET_EXECUTABLES : NativeConstants.DELTA_FILE_TYPE_RAW;

            NativeMethods.CreateDeltaW(
                   NativeConstants.DELTA_FILE_TYPE_SET_EXECUTABLES,
                   NativeConstants.DELTA_FLAG_NONE,
                   NativeConstants.DELTA_FLAG_NONE,
                   originalFile,
                   newFile,
                   null,
                   null,
                   options,
                   IntPtr.Zero,
                   0,
                   deltaFile);
        }