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

        private static bool CheckApiSupport()
        {
            if (Environment.OSVersion.Platform == PlatformID.Win32NT &&
                Environment.OSVersion.Version.Major >= 6)
            {
                // Windows Vista or later
                return true;
            }

            try
            {
                // Try to call the API.
                DELTA_INPUT options = new DELTA_INPUT();
                NativeMethods.CreateDeltaW(
                   NativeConstants.DELTA_FILE_TYPE_SET_EXECUTABLES,
                   NativeConstants.DELTA_FLAG_NONE,
                   NativeConstants.DELTA_FLAG_NONE,
                   null,
                   null,
                   null,
                   null,
                   options,
                   IntPtr.Zero,
                   0,
                   null);

                // The API is supported.
                return true;
            }
            catch (DllNotFoundException)
            {
                // Unable to load DLL 'msdelta.dll'
                return false;
            }
            catch (Exception)
            {
                return false;
            }
        }