Windows 7 new features: Step by step in VB.NET and C#

//Copyright (c) Microsoft Corporation.  All rights reserved.

//Copyright (c) Microsoft Corporation.  All rights reserved.

using System;
using Microsoft.WindowsAPICodePack.Shell;

namespace Microsoft.WindowsAPICodePack.Shell.PropertySystem
{
    /// <summary>
    /// Defines the properties used by a Shell Property.
    /// </summary>
    public interface IShellProperty
    {
        /// <summary>
        /// Gets the property key that identifies this property.
        /// </summary>
        PropertyKey PropertyKey
        {
            get;
        }

        /// <summary>
        /// Gets a formatted, Unicode string representation of a property value.
        /// </summary>
        /// <param name="format">One or more <c>PropertyDescriptionFormat</c> flags 
        /// chosen to produce the desired display format.</param>
        /// <returns>The formatted value as a string.</returns>
        string FormatForDisplay(PropertyDescriptionFormat format);

        /// <summary>
        /// Get the property description object.
        /// </summary>
        ShellPropertyDescription Description
        {
            get;
        }

        /// <summary>
        /// Gets the case-sensitive name of the property as it is known to the system, 
        /// regardless of its localized name.
        /// </summary>
        string CanonicalName
        {
            get;
        }

        /// <summary>
        /// Gets the value for this property using the generic Object type.
        /// </summary>
        /// <remarks>
        /// To obtain a specific type for this value, use the more strongly-typed 
        /// <c>Property&lt;T&gt;</c> class.
        /// You can only set a value for this type using the <c>Property&lt;T&gt;</c> 
        /// class.
        /// </remarks>
        object ValueAsObject
        {
            get;
        }

        /// <summary>
        /// Gets the <c>System.Type</c> value for this property.
        /// </summary>
        Type ValueType
        {
            get;
        }

        /// <summary>
        /// Gets the image reference path and icon index associated with a property value. 
        /// This API is only available in Windows 7.
        /// </summary>
        IconReference IconReference 
        { 
            get; 
        }
    }
}