Audio Library Part I - (Windows Mixer Control)

//
//  THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
//  KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
//  PURPOSE. IT CAN BE DISTRIBUTED FREE OF CHARGE AS LONG AS THIS HEADER 
//  REMAINS UNCHANGED.
//
//  Email:  gustavo_franco@hotmail.com
//
//  Copyright (C) 2005 Franco, Gustavo 
//
using System;
using System.Collections;

namespace WaveLib.AudioMixer
{
	[Author("Gustavo Franco")]
	public class MixerControls : System.Collections.CollectionBase
	{
		#region Constructors
		public MixerControls()
		{
		}
		#endregion

		#region Properties
		#endregion

		#region Methods
		public MixerControl GetControlByType(MIXERCONTROL_CONTROLTYPE type)
		{
			foreach(MixerControl mixerControl in this.InnerList)
				if (mixerControl.Type == type)
					return mixerControl;
			
			return null;
		}

		public MixerControl GetControlByIndex(int index)
		{
			return this[index];
		}

		public void Add(MixerControl mixerControl)
		{
			this.InnerList.Add(mixerControl);
		}

		public void Remove(MixerControl mixerControl)
		{
			if (this.InnerList.Contains(mixerControl))
			{
				this.InnerList.Remove(mixerControl);
				return;
			}

			MixerControl mixerControlToRemove = null;
			foreach(MixerControl mixerControlLoop in this.InnerList)
			{
				if (mixerControlLoop.Id		== mixerControl.Id &&
					mixerControlLoop.Name	== mixerControl.Name &&
					mixerControlLoop.Line	== mixerControl.Line)
				{
					mixerControlToRemove = mixerControlLoop;
					break;
				}
			}
			
			if (mixerControlToRemove != null)
				this.InnerList.Remove(mixerControlToRemove);
		}
		#endregion

		#region Indexers
		public MixerControl this[int index]
		{
			get
			{
				if (index >= this.InnerList.Count || index < 0)
					return null;

				return (MixerControl) this.InnerList[index];
			}
		}
		#endregion
	}
}