AdvancedLauncher.SDK.Management.FileSystemManager.GetEntryIndex C# (CSharp) Method

        private int GetEntryIndex(uint fileId)
        {
            int entryIndex = -1;
            entryIndex = ArchiveEntries.FindIndex(delegate (FileEntry bk) {
                return bk.Id == fileId;
            });
            return entryIndex;
        }