Summary description for MimeTypes.
		public static string GetMimeTypeString(string filePath)
		{
			var mimeTypes = new MimeTypes();

			MimeType mimeType; 

			using (var fileStream = new FileStream(filePath, FileMode.Open))
			{
				mimeType = mimeTypes.GetMimeTypeByContent(fileStream);
			}

			

			if (mimeType == null)
			{
				mimeType = mimeTypes.GetMimeType(filePath);
			}

			if (mimeType == null)
			{
				return null;
			}

			return mimeType.Name;
		}
		/// <summary> Return a MimeTypes instance.</summary>
		/// <param name="filepath">is the mime-types definitions xml file.
		/// </param>
		/// <returns> A MimeTypes instance for the specified filepath xml file.
		/// </returns>
		public static MimeTypes Get(String filepath)
		{
			MimeTypes instance;
			lock (Instances.SyncRoot)
			{
				instance = (MimeTypes) Instances[filepath];
				if (instance == null)
				{
					//instance = new MimeTypes(filepath, null);
					instance = new MimeTypes(filepath);
					Instances[filepath] = instance;
				}
			}
			return instance;
		}