Merge pull request #21 from denis-peshkov/bugfix/20-fix-background-load

#20 just fix

Author: Denis Peshkov

src/TypeScriptDefinitionGenerator/DtsPackage.cs

@@ -15,7 +15,7 @@ namespace TypeScriptDefinitionGenerator
     [ProvideMenuResource("Menus.ctmenu", 1)]
     [ProvideLanguageEditorOptionPage(typeof(OptionsDialogPage), "TypeScript", null, "Generate d.ts", null, new[] { "d.ts" })]
     [ProvideCodeGenerator(typeof(DtsGenerator), DtsGenerator.Name, DtsGenerator.Description, true)]
-    [ProvideAutoLoad(PackageGuids.UIContextRuleString)]
+    [ProvideAutoLoad(PackageGuids.UIContextRuleString, PackageAutoLoadFlags.BackgroundLoad)]
     [ProvideUIContextRule(PackageGuids.UIContextRuleString,
         name: "Auto load",
         expression: "cs | vb",
@@ -40,6 +40,8 @@ public static void EnsurePackageLoad()
 
         protected override async Tasks.Task InitializeAsync(CancellationToken cancellationToken, IProgress<ServiceProgressData> progress)
         {
+            await JoinableTaskFactory.SwitchToMainThreadAsync();
+
             Options = (OptionsDialogPage)GetDialogPage(typeof(OptionsDialogPage));
 
             await ToggleCustomTool.InitializeAsync(this);