Getting the helpstring attribute applied to C# properties exposed via COM interfaces

Question

I\'m currently working on a library that\'s to be exposed to COM for use in a legacy project that\'s being upgraded. I\'m creating interfaces that are to be exposed, and the

Answer 1

You have to put the attribute on the getter and setter individually. Like this:

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;
        }
    }
}

Repeating the description is clumsy, but also required in IDL.