Simplify WorkbookIntelliSenseProvider initialize delay

Author: govert

Source/ExcelDna.IntelliSense/Providers/WorkbookIntelliSenseProvider.cs

@@ -122,15 +122,13 @@ public IEnumerable<FunctionInfo> GetFunctionInfos()
         }
 
         Dictionary<string, WorkbookRegistrationInfo> _workbookRegistrationInfos = new Dictionary<string, WorkbookRegistrationInfo>();
-        ExcelSynchronizationContext _syncContextExcel;
         XmlIntelliSenseProvider _xmlProvider;
         public event EventHandler Invalidate;
 
         #region IIntelliSenseProvider implementation
 
         public WorkbookIntelliSenseProvider()
         {
-            _syncContextExcel = new ExcelSynchronizationContext();
             _xmlProvider = new XmlIntelliSenseProvider();
             _xmlProvider.Invalidate += ( sender, e) => OnInvalidate();
         }
@@ -139,11 +137,11 @@ public void Initialize()
         {
             Logger.Provider.Info("WorkbookIntelliSenseProvider.Initialize");
             _xmlProvider.Initialize();
-            _syncContextExcel.Post(OnInitialize, null);
+            ExcelAsyncUtil.QueueAsMacro(OnInitialize);
         }
 
         // Must be called on the main thread, in a macro context
-        void OnInitialize(object _unused_)
+        void OnInitialize()
         {
             Logger.Provider.Info("WorkbookIntelliSenseProvider.OnInitialize");