Fixed memory leak.

TrackerBridge/DSP/GazeDecimator.cs

@@ -13,10 +13,10 @@ namespace TrackerBridge.DSP
 
         private GazeData output;
         private Single outputFrequency;
+        private Timer timer;
         private readonly Object outputLock = new Object();
         private readonly Object valueCountLock = new Object();
         private Int64 valueCount;
-        private Task timerTask;
 
         private Int64 ValueCount {
             get {
@@ -51,7 +51,7 @@ namespace TrackerBridge.DSP
         public GazeDecimator(GazeDataProcessor dataProcessor)
         {
             outputFrequency = dataProcessor.OutputFrequency;
-            Task timerTask = Task.Run(() => TriggerOutput(outputFrequency));
+            SetupTimer();
         }
         public void Input(GazeData input, Object sender = null)
         {
@@ -76,9 +76,11 @@ namespace TrackerBridge.DSP
             ValueCount = 0;
         }
 
-        private void TriggerOutput(Single frequency)
+        private void SetupTimer()
         {
-            Timer timer = new Timer(1000.0 / frequency); //TODO: Implement Dispose
+            timer?.Stop();
+            timer?.Dispose();
+            timer = new Timer(1000.0 / outputFrequency);
             timer.Elapsed += (Object sender, ElapsedEventArgs e) =>
             {
                 if (ValueCount > 0)
@@ -94,9 +96,7 @@ namespace TrackerBridge.DSP
         public void Update(GazeDataProcessor dataProcessor)
         {
             outputFrequency = dataProcessor.OutputFrequency;
-            //timerTask.Dispose(); //TODO: Implement proper cancellation
-            //TODO: Fix memory leak
-            timerTask = Task.Run(() => TriggerOutput(outputFrequency));
+            SetupTimer();
         }
     }
 }

TrackerBridge/FakeTracker.cs

@@ -20,7 +20,7 @@ namespace TrackerBridge
         }
 
         private readonly GazeDataProcessor gazeDataProcessor;
-        private Task timerTask;
+        private System.Timers.Timer timer;
         private Single trackerFrequency;
 
         public Single OutputFrequency {
@@ -33,9 +33,8 @@ namespace TrackerBridge
                 return trackerFrequency;
             }
             set {
-                //timerTask.Dispose(); //TODO: Proper cancellation
-                //TODO: Fix memory leak
-                timerTask = Task.Run(() => SimulateGazeDataHz(value));
+                trackerFrequency = value;
+                TimerSetup();
             }
         }
 
@@ -47,12 +46,15 @@ namespace TrackerBridge
 
         public void Connect()
         {
-            timerTask = Task.Run(() => SimulateGazeDataHz(trackerFrequency));
+            TimerSetup();
             ConnectionEvent?.Invoke(this);
         }
-        private void SimulateGazeDataHz(Single frequency)
+
+        private void TimerSetup()
         {
-            System.Timers.Timer timer = new System.Timers.Timer(1000.0 / frequency); //TODO: Implement Dispose
+            timer?.Stop();
+            timer?.Dispose();
+            timer = new System.Timers.Timer(1000.0 / trackerFrequency);
             timer.Elapsed += (Object sender, ElapsedEventArgs e) =>
             {
                 Point mousePosition = Control.MousePosition;