public static async Task RestoreAsync()

in HashCalculator/Controls/SuspensionManager.cs [100:130]

• 26 lines of code
• 5 McCabe index (conditional complexity)

        public static async Task RestoreAsync(String sessionBaseKey = null)
        {
            _sessionState = new Dictionary<String, Object>();

            try
            {
                // Get the input stream for the SessionState file
                StorageFile file = await ApplicationData.Current.LocalFolder.GetFileAsync(sessionStateFilename);
                using (IInputStream inStream = await file.OpenSequentialReadAsync())
                {
                    // Deserialize the Session State
                    DataContractSerializer serializer = new DataContractSerializer(typeof(Dictionary<string, object>), _knownTypes);
                    _sessionState = (Dictionary<string, object>)serializer.ReadObject(inStream.AsStreamForRead());
                }

                // Restore any registered frames to their saved state
                foreach (var weakFrameReference in _registeredFrames)
                {
                    Frame frame;
                    if (weakFrameReference.TryGetTarget(out frame) && (string)frame.GetValue(FrameSessionBaseKeyProperty) == sessionBaseKey)
                    {
                        frame.ClearValue(FrameSessionStateProperty);
                        RestoreFrameNavigationState(frame);
                    }
                }
            }
            catch (Exception e)
            {
                throw new SuspensionManagerException(e);
            }
        }