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copied!<p>Not true. </p> <p>I understand your question to be asking about <a href="http://msdn.microsoft.com/en-us/library/f07c8z1c.aspx" rel="noreferrer">COM calling or using a .NET class</a>. </p> <p>According to <a href="http://msdn.microsoft.com/en-us/library/zsfww439.aspx" rel="noreferrer">this page</a>, you can expose methods, properties and fields of managed classes to COM consumers.</p> <blockquote> <p>All managed types, methods, properties, fields, and events that you want to expose to COM must be public. Types must have a public default constructor, which is the only constructor that can be invoked through COM. </p> </blockquote> <p>Does this work for you?: </p> <pre><code>[InterfaceType(ComInterfaceType.InterfaceIsIDispatch)] [Guid("A1209192-723B-4325-8599-FB39D9F202D9")] public interface ITicklee { [DispId(1)] void TickleMe(); [DispId(2)] int Count{get;} } [Guid("45715A3B-CA95-49f7-9889-A0022B31EF8A")] public class Elmo : ITicklee { // default ctor public Elmo () {} private int _tickleCount; public int Count { get { return _tickleCount; } } public void TickleMe() { _tickleCount++; } } </code></pre> <p>A VBScript test client might look like this:</p> <pre><code>Sub TestTickle() WScript.echo("") WScript.echo("Instantiating an Elmo ...") dim elmo set elmo = WScript.CreateObject("Ionic.Tests.Com.Elmo") WScript.echo("Tickling...") For i = 1 to 5 elmo.TickleMe() Next WScript.echo("") c = elmo.Count WScript.echo("Tickle Count = " & c) ' one for the road' elmo.TickleMe() End Sub call TestTickle() ' ahem ' </code></pre>

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