/// <summary> /// Gets a particular metadata tag's value. Return null if the meta tag doesn't exist /// in this document. /// </summary> /// <param name="metaDataName">The name of the metadata element to retrieve</param> /// <returns>The value</returns> private string GetMetaDataValue(string metaDataName) { if (MetaTags.Contains(metaDataName)) { return((string)MetaTags[metaDataName]); } else { return(null); } }