1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System;
 6  using System.Threading;
 7  using Microsoft.CommandPalette.Extensions;
 8  
 9  namespace SamplePagesExtension;
10  
11  public class Program
12  {
13      [MTAThread]
14      public static void Main(string[] args)
15      {
16          if (args.Length > 0 && args[0] == "-RegisterProcessAsComServer")
17          {
18              using ExtensionServer server = new();
19              var extensionDisposedEvent = new ManualResetEvent(false);
20              var extensionInstance = new SampleExtension(extensionDisposedEvent);
21  
22              // We are instantiating an extension instance once above, and returning it every time the callback in RegisterExtension below is called.
23              // This makes sure that only one instance of SampleExtension is alive, which is returned every time the host asks for the IExtension object.
24              // If you want to instantiate a new instance each time the host asks, create the new instance inside the delegate.
25              server.RegisterExtension(() => extensionInstance);
26  
27              // This will make the main thread wait until the event is signalled by the extension class.
28              // Since we have a single instance of the extension object, we exit as soon as it is disposed.
29              extensionDisposedEvent.WaitOne();
30          }
31          else
32          {
33              Console.WriteLine("Not being launched as a Extension... exiting.");
34          }
35      }
36  }