Workaround for Skype API events no longer working

Delcom/StoplightIndicator.cs

@@ -71,6 +71,9 @@ namespace WorkIndicator.Delcom
 
         public void SetLights(LightState red, LightState yellow, LightState green)
         {
+            if (_red == red && _yellow == yellow && _green == green)
+                return;
+
             int port1 = 0;
 
             _red = red;

LightController.cs

@@ -24,6 +24,7 @@ namespace WorkIndicator
         private static bool _initialized;
         private static Status _status = Status.Auto;
         private static Timer _retryTimer;
+        private static Timer _updateTimer;
 
         public static void Initialize()
         {
@@ -33,6 +34,10 @@ namespace WorkIndicator
             InitializeWindowDetection();
             InitializeSkypeDetection();
 
+            _updateTimer = new Timer(Properties.Settings.Default.UpdateInterval.TotalMilliseconds) { AutoReset = false };
+            _updateTimer.Elapsed += HandleUpdateTimerElapsed;
+            _updateTimer.Start();
+
             _initialized = true;
         }
 
@@ -41,6 +46,8 @@ namespace WorkIndicator
             if (!_initialized)
                 return;
 
+            _updateTimer.Dispose();
+
             TerminateWindowDetection();
             TerminateSkypeDetection();
 
@@ -118,10 +125,16 @@ namespace WorkIndicator
                 _skype = new Skype();
                 _skype.Attach();
 
+                var skype = (ISkype) _skype;
+                skype.Mute = !skype.Mute;
+                skype.Mute = !skype.Mute;
+
                 _ISkypeEvents_Event skypeEvents = _skype;
 
                 skypeEvents.CallStatus += HandleSkypeCallStatus;
                 skypeEvents.Mute += HandleSkypeEventsMute;
+                
+                UpdateLights();
             }
             catch (Exception)
             {
@@ -140,12 +153,19 @@ namespace WorkIndicator
             InitializeSkypeDetection();
         }
 
-        static void HandleSkypeEventsMute(bool mute)
+        private static void HandleUpdateTimerElapsed(object sender, ElapsedEventArgs e)
+        {
+            UpdateLights();
+
+            _updateTimer.Start();
+        }
+
+        private static void HandleSkypeEventsMute(bool mute)
         {
             UpdateLights();
         }
 
-        static void HandleSkypeCallStatus(Call call, TCallStatus status)
+        private static void HandleSkypeCallStatus(Call call, TCallStatus status)
         {
             UpdateLights();
         }

Properties/Settings.Designer.cs

@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.34209
+//     Runtime Version:4.0.30319.0
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -55,5 +55,14 @@ namespace WorkIndicator.Properties {
                 return ((global::System.TimeSpan)(this["RetryInterval"]));
             }
         }
+        
+        [global::System.Configuration.ApplicationScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("00:00:00.5000000")]
+        public global::System.TimeSpan UpdateInterval {
+            get {
+                return ((global::System.TimeSpan)(this["UpdateInterval"]));
+            }
+        }
     }
 }

Properties/Settings.settings

@@ -11,5 +11,8 @@
     <Setting Name="RetryInterval" Type="System.TimeSpan" Scope="Application">
       <Value Profile="(Default)">00:00:10</Value>
     </Setting>
+    <Setting Name="UpdateInterval" Type="System.TimeSpan" Scope="Application">
+      <Value Profile="(Default)">00:00:00.5000000</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

app.config

@@ -23,6 +23,9 @@
             <setting name="RetryInterval" serializeAs="String">
                 <value>00:00:10</value>
             </setting>
+            <setting name="UpdateInterval" serializeAs="String">
+                <value>00:00:00.5000000</value>
+            </setting>
         </WorkIndicator.Properties.Settings>
     </applicationSettings>
 <startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.1"/></startup></configuration>