54 lines
1.7 KiB
C#
54 lines
1.7 KiB
C#
// AForge Direct Show Library
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// AForge.NET framework
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//
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// Copyright © Andrew Kirillov, 2007
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// andrew.kirillov@gmail.com
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//
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namespace AForge.Video.DirectShow.Internals
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{
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using System;
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using System.Runtime.InteropServices;
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/// <summary>
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/// The <b>IPropertyBag</b> interface provides an object with a property bag in
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/// which the object can persistently save its properties.
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/// </summary>
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///
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[ComImport,
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Guid( "55272A00-42CB-11CE-8135-00AA004BB851" ),
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InterfaceType( ComInterfaceType.InterfaceIsIUnknown )]
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internal interface IPropertyBag
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{
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/// <summary>
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/// Read a property from property bag.
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/// </summary>
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///
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/// <param name="propertyName">Property name to read.</param>
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/// <param name="pVar">Property value.</param>
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/// <param name="pErrorLog">Caller's error log.</param>
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///
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/// <returns>Return's <b>HRESULT</b> error code.</returns>
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///
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[PreserveSig]
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int Read(
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[In, MarshalAs( UnmanagedType.LPWStr )] string propertyName,
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[In, Out, MarshalAs( UnmanagedType.Struct )] ref object pVar,
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[In] IntPtr pErrorLog );
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/// <summary>
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/// Write property to property bag.
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/// </summary>
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///
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/// <param name="propertyName">Property name to read.</param>
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/// <param name="pVar">Property value.</param>
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///
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/// <returns>Return's <b>HRESULT</b> error code.</returns>
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///
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[PreserveSig]
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int Write(
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[In, MarshalAs( UnmanagedType.LPWStr )] string propertyName,
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[In, MarshalAs( UnmanagedType.Struct )] ref object pVar );
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}
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}
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