94 lines
2.7 KiB
C#
94 lines
2.7 KiB
C#
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/*
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LICENSE
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-------
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Copyright (C) 2007 Ray Molenkamp
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This source code is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this source code or the software it produces.
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Permission is granted to anyone to use this source code for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this source code must not be misrepresented; you must not
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claim that you wrote the original source code. If you use this source code
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original source code.
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3. This notice may not be removed or altered from any source distribution.
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*/
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// updated for NAudio
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using NAudio.CoreAudioApi.Interfaces;
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namespace NAudio.CoreAudioApi
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{
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/// <summary>
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/// Multimedia Device Collection
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/// </summary>
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public class MMDeviceCollection : IEnumerable<MMDevice>
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{
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private readonly IMMDeviceCollection mmDeviceCollection;
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/// <summary>
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/// Device count
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/// </summary>
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public int Count
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{
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get
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{
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Marshal.ThrowExceptionForHR(mmDeviceCollection.GetCount(out var result));
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return result;
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}
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}
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/// <summary>
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/// Get device by index
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/// </summary>
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/// <param name="index">Device index</param>
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/// <returns>Device at the specified index</returns>
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public MMDevice this[int index]
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{
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get
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{
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mmDeviceCollection.Item(index, out var result);
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return new MMDevice(result);
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}
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}
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internal MMDeviceCollection(IMMDeviceCollection parent)
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{
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mmDeviceCollection = parent;
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}
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#region IEnumerable<MMDevice> Members
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/// <summary>
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/// Get Enumerator
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/// </summary>
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/// <returns>Device enumerator</returns>
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public IEnumerator<MMDevice> GetEnumerator()
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{
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for (int index = 0; index < Count; index++)
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{
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yield return this[index];
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}
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}
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#endregion
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#region IEnumerable Members
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System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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#endregion
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}
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}
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