IPC Port Error

Q:

What do you know about this error?

It happens sometimes after clicking “Start Debuging” triangle button on VSTA IDE window.

A:

Add InitializeLifetimeService() method to the class that implements IExternalDebugHost as shown below.

==

ShapeAppMacroRecordingCSharp sample should add InitializeLifetimeService() method with infinite timeout to the class VstaDesignTimeIntegration as shown below.  

 /// <summary>

 /// Provides Designtime VSTA Integration for ShapeAppCSharp

 /// </summary>

internal sealed class VstaDesignTimeIntegration : MarshalByRefObject, IExternalDebugHost

    {

        #region MarshalByRefObject

        public override object InitializeLifetimeService()

        {

            return null; // Allows remoting from VS as long as we live.      

        }

        #endregion MarshalByRefObject  public override object InitializeLifetimeService()