Flush diagnostics client

src/BuildVision.Common/Diagnostics/DiagnosticsClient.cs

@@ -26,7 +26,7 @@ public static void Initialize(string edition, string vsVersion, string apiKey)
             }
         }
 
-        public static void OnExit()
+        public static void Flush()
         {
             if (!_initialized || !ParticipateInTelemetry)
             {

src/BuildVision/Core/BuildVisionPackage.cs

@@ -94,6 +94,7 @@ private void Current_DispatcherUnhandledException(object sender, DispatcherUnhan
         {
             _logger.Fatal(e.Exception, "Unhandled Exception");
             DiagnosticsClient.TrackException(e.Exception);
+            DiagnosticsClient.Flush();
         }
 
         protected override async Task InitializeAsync(CancellationToken cancellationToken, IProgress<ServiceProgressData> progress)
@@ -154,6 +155,8 @@ private void SolutionEvents_AfterClosing()
 
             _solutionBuildManager.UnadviseUpdateSolutionEvents(_updateSolutionEventsCookie);
             _solutionBuildManager4.UnadviseUpdateSolutionEvents4(_updateSolutionEvents4Cookie);
+
+            DiagnosticsClient.Flush();
         }
 
         private void CommandEvents_AfterExecute(string guid, int id, object customIn, object customOut)

src/BuildVision/Core/BuildVisionPane.cs

@@ -101,7 +101,7 @@ async Task<BuildVisionPaneViewModel> InitializeAsync(AsyncPackage asyncPackage)
                 _controlCreatedSuccessfully = true;
 
                 DiagnosticsClient.TrackEvent("BuildVisionStarted");
-
+                DiagnosticsClient.Flush();
                 return viewModel;
             }
             catch (Exception e)