AcManager.Tools.SemiGui.CopyFilterToSystemForOculusHelper.Set C# (CSharp) Method

        public override IDisposable Set() {
            var selectedFilter = AcSettingsHolder.Video.PostProcessingFilter;
            if (string.IsNullOrEmpty(selectedFilter) || string.Equals(selectedFilter, @"default", StringComparison.OrdinalIgnoreCase)) {
                return null;
            }

            var source = Path.Combine(AcRootDirectory.Instance.RequireValue, @"system", @"cfg", @"ppfilters", selectedFilter +  @".ini");
            if (!File.Exists(source)) return null;

            try {
                var backup = Backup;
                if (File.Exists(backup)) {
                    File.Delete(backup);
                }

                var destination = Destination;
                if (File.Exists(destination)) {
                    File.Move(destination, backup);
                }

                FileUtils.Hardlink(source, destination);
            } catch (Exception e) {
                Logging.Warning("Set(): " + e);
            }

            return this;
        }