// Specify the cmdlets that belong to this custom PowerShell snap-in.
        private Collection<CmdletConfigurationEntry> cmdlets;
        public override Collection<CmdletConfigurationEntry> Cmdlets
        {
            get
            {
                if (cmdlets == null)
                {
                    string name = "fsharp-cmdlets, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null";
                    Assembly fsharp = Assembly.Load(name);

                    Type cmdlet = typeof(Cmdlet);
                    Type attribute = typeof(CmdletAttribute);

                    var have =
                      fsharp.GetExportedTypes().Where(t => t.IsSubclassOf(cmdlet)).Select(
                        t => new {Type = t, Attribs = t.GetCustomAttributes(attribute, false)}).
                        Where(t => t.Attribs.Length > 0).
                        Select(t =>
                               {
                                   var attrib = t.Attribs[0] as CmdletAttribute;
                                   return new CmdletConfigurationEntry(
                                       // construct cmdlet name
                                       attrib.VerbName + "-" + attrib.NounName,
                                       t.Type, // cmdlet class type
                                       null // help filename for the cmdlet
                                       );
                               }
                        ).ToList();

                    cmdlets = new Collection<CmdletConfigurationEntry>(have);

                }
                return cmdlets;
            }