Little Registry Cleaner/Common Tools/TaskScheduler/NamedValueCollection.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace Common_Tools.TaskScheduler
{
	/// <summary>
	/// Contains a collection of name-value pairs.
	/// </summary>
	public sealed class NamedValueCollection : IDisposable, System.Collections.IEnumerable
	{
		private V2Interop.ITaskNamedValueCollection v2Coll = null;
		private Dictionary<string, string> unboundDict = null;

		internal NamedValueCollection(V2Interop.ITaskNamedValueCollection iColl) { v2Coll = iColl; }

		internal NamedValueCollection()
		{
			unboundDict = new Dictionary<string, string>(5); ;
		}

		internal bool Bound
		{
			get { return v2Coll != null; }
		}

		internal void Bind(V2Interop.ITaskNamedValueCollection iTaskNamedValueCollection)
		{
			v2Coll = iTaskNamedValueCollection;
			v2Coll.Clear();
			foreach (var item in unboundDict)
				v2Coll.Create(item.Key, item.Value);
		}

		/// <summary>
		/// Copies current <see cref="NamedValueCollection"/> to another.
		/// </summary>
		/// <param name="destCollection">The destination collection.</param>
		public void CopyTo(NamedValueCollection destCollection)
		{
			if (v2Coll != null)
			{
				for (int i = 1; i <= this.Count; i++)
					destCollection.Add(v2Coll[i].Name, v2Coll[i].Value);
			}
			else
			{
				foreach (var item in unboundDict)
					destCollection.Add(item.Key, item.Value);
			}
		}

		/// <summary>
		/// Releases all resources used by this class.
		/// </summary>
		public void Dispose()
		{
			if (v2Coll != null) Marshal.ReleaseComObject(v2Coll);
		}