ZuneShell.dll/UIX/Microsoft/Iris/ICommand.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.Iris.ICommand
// Assembly: UIX, Version=4.8.0.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217
// MVID: A56C6C9D-B7F6-46A9-8BDE-B3D9B8D60B11
// Assembly location: C:\Program Files\Zune\UIX.dll

using System;
using System.ComponentModel;

namespace Microsoft.Iris
{
    public interface ICommand : INotifyPropertyChanged
    {
        bool Available { get; set; }

        InvokePolicy Priority { get; set; }

        void Invoke();

        void Invoke(InvokePolicy invokePolicy);

        event EventHandler Invoked;
    }
}