Merge pull request #53 from Microsoft/dev/lukaszme/delay_load

Delay load the package until VCProject and Test Explorer are present

Author: Łukasz Mendakiewicz

GoogleTestAdapter/VsPackage.GTA/GoogleTestExtensionOptionsPage.cs

@@ -1,12 +1,15 @@
-// This file has been modified by Microsoft on 6/2017.
+// This file has been modified by Microsoft on 9/2017.
 
 using GoogleTestAdapter.VsPackage.ReleaseNotes;
+using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
 using System;
 using System.IO;
 using System.Threading;
 
 namespace GoogleTestAdapter.VsPackage
 {
+    [ProvideAutoLoad(UIContextGuids.SolutionExists)]
     public partial class GoogleTestExtensionOptionsPage
     {
         private const string PackageGuidString = "e7c90fcb-0943-4908-9ae8-3b6a9d22ec9e";

GoogleTestAdapter/VsPackage.Shared/GoogleTestExtensionOptionsPage.cs

@@ -26,7 +26,6 @@ namespace GoogleTestAdapter.VsPackage
     [ProvideOptionPage(typeof(GeneralOptionsDialogPage), OptionsCategoryName, "General", 110, 501, true)]
     [ProvideOptionPage(typeof(ParallelizationOptionsDialogPage), OptionsCategoryName, "Parallelization", 110, 502, true)]
     [ProvideOptionPage(typeof(GoogleTestOptionsDialogPage), OptionsCategoryName, "Google Test", 110, 503, true)]
-    [ProvideAutoLoad(UIContextGuids.SolutionExists)]
     [ProvideMenuResource("Menus.ctmenu", 1)]
     public sealed partial class GoogleTestExtensionOptionsPage : Package, IGoogleTestExtensionOptionsPage, IDisposable
     {

GoogleTestAdapter/VsPackage.TAfGT/GoogleTestExtensionOptionsPage.cs

@@ -1,11 +1,20 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
+using Microsoft.VisualStudio;
+using Microsoft.VisualStudio.Shell;
+
 namespace GoogleTestAdapter.VsPackage
 {
+    [ProvideAutoLoad(UIContextGuid)]
+    [ProvideUIContextRule(UIContextGuid, OptionsCategoryName, "VCProject & TestExplorer",
+        new string[] { "VCProject", "TestExplorer" },
+        new string[] { VSConstants.UICONTEXT.VCProject_string, TestExplorerContextGuid })]
     public partial class GoogleTestExtensionOptionsPage
     {
         private const string PackageGuidString = "1db31773-234b-424b-a887-b451fb1ba837";
+        private const string UIContextGuid = "7517f9ae-397f-48e1-8e1b-dac609d9f52d";
+        private const string TestExplorerContextGuid = "ec25b527-d893-4ec0-a814-d2c9f1782997";
         private const string OptionsCategoryName = "Test Adapter for Google Test";
 
         private void DisplayReleaseNotesIfNecessary()