Added ComVisible attributes to DialogPage implementations.

Author: reduckted

demo/VSSDK.TestExtension/Options/General.cs

@@ -4,6 +4,7 @@
 using System.Globalization;
 using Community.VisualStudio.Toolkit;
 using Microsoft.VisualStudio.Shell;
+using System.Runtime.InteropServices;
 
 namespace TestExtension
 {
@@ -12,6 +13,7 @@ internal partial class OptionsProvider
         // Register the options with these attributes in your package class:
         // [ProvideOptionPage(typeof(OptionsProvider.GeneralOptions), "My options", "General", 0, 0, true)]
         // [ProvideProfile(typeof(OptionsProvider.GeneralOptions), "My options", "General", 0, 0, true)]
+        [ComVisible(true)]
         public class GeneralOptions : BaseOptionPage<General> { }
     }
 

src/toolkit/Community.VisualStudio.Toolkit.Shared/Options/BaseOptionPage.cs

@@ -1,11 +1,12 @@
-using Microsoft.VisualStudio.Shell;
-using Task = System.Threading.Tasks.Task;
+using System.Runtime.InteropServices;
+using Microsoft.VisualStudio.Shell;
 
 namespace Community.VisualStudio.Toolkit
 {
     /// <summary>
     /// A base class for a DialogPage to show in Tools -> Options.
     /// </summary>
+    [ComVisible(true)]
     public class BaseOptionPage<T> : DialogPage where T : BaseOptionModel<T>, new()
     {
         private readonly BaseOptionModel<T> _model;