FileStore.FileStore.FindFile C# (CSharp) Method

        public StoreFile FindFile(string path, string fileName, bool subfolders)
        {
            StoreFolder folder = GetFolder(path);

            if(folder != null) {
                // check the files
                int length = folder.Files.Keys.Count;
                IList<string> keys = folder.Files.Keys;

                for(int i = 0; i < length; i++) {
                    if(keys[i] == fileName) {
                        return files[folder.Files[fileName]];
                    }
                }

                // check in subfolders
                if(subfolders) {
                    length = folder.Subfolders.Keys.Count;
                    keys = folder.Subfolders.Keys;

                    for(int i = 0; i < length; i++) {
                        StoreFile file = FindFile(path + "\\" + folder.Name, fileName, subfolders);

                        if(file != null) {
                            // file found, stop searching
                            return file;
                        }
                    }
                }
            }

            // nothing found
            return null;
        }