How to add helpstring in tlb generate from VB.NET or C# class

In IDL you can have a helpstring attribute that adds descriptions to your interfaces.
To be able to generated those helpstring tags in a VB.NET  class you should use the Description tag

For example see this example taken from:http://stackoverflow.com/questions/6668500/getting-the-helpstring-attribute-applied-to-c-sharp-properties-exposed-via-com-i

using System; using System.ComponentModel; using System.Runtime.InteropServices;    namespace ClassLibrary1 {     [ComVisible(true), InterfaceType(ComInterfaceType.InterfaceIsDual)]     public interface IFoo {         int property {             [Description("prop")]             get;             [Description("prop")]             set;         }     } }  

NOTE: remenber that in some cases you have to apply the description attribute to both get and set.

ADITIONAL NODE:

After some test, I found that there are some differences with the helpstring behaviour in VB.NET. For example the helpstring attribute is not generated for methods. More on C#/VB.NET Interop Differences http://mheironimus.blogspot.com/2006/10/vbnet-com-interface-issues.html

Source: http://blogs.artinsoft.net/Mrojas/archive/2012/01/25/How-to-add-helpstring-in-tlb-generate-from-VBNET-or-C-class.aspx

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