// AForge Direct Show Library
// AForge.NET framework
//
// Copyright © Andrew Kirillov, 2007
// andrew.kirillov@gmail.com
//

namespace AForge.Video.DirectShow.Internals
{
    using System;
    using System.Runtime.InteropServices;
    using System.Runtime.InteropServices.ComTypes;

    /// <summary>
    /// The <b>ICreateDevEnum</b> interface creates an enumerator for devices within a particular category,
    /// such as video capture devices, audio capture devices, video compressors, and so forth.
    /// </summary>
    /// 
    [ComImport,
    Guid( "29840822-5B84-11D0-BD3B-00A0C911CE86" ),
    InterfaceType( ComInterfaceType.InterfaceIsIUnknown )]
    internal interface ICreateDevEnum
    {
        /// <summary>
        /// Creates a class enumerator for a specified device category.
        /// </summary>
        /// 
        /// <param name="type">Specifies the class identifier of the device category.</param>
        /// <param name="enumMoniker">Address of a variable that receives an <b>IEnumMoniker</b> interface pointer</param>
        /// <param name="flags">Bitwise combination of zero or more flags. If zero, the method enumerates every filter in the category.</param>
        /// 
        /// <returns>Return's <b>HRESULT</b> error code.</returns>
        /// 
        [PreserveSig]
        int CreateClassEnumerator( [In] ref Guid type, [Out] out IEnumMoniker enumMoniker, [In] int flags );
    }
}