/// <summary>
 /// The attribute constructor.
 /// </summary>
 /// <param name="ContentID">The content GUID string.</param>
 /// <param name="ContentDescription">The content description.</param>
 /// <param name="entityType">The entity type. This specifies whether the content is an
 /// entity in its own right, or just a fragment of a bigger entity. This is useful for caching
 /// purposes.</param>
 public XimuraContentIDAttribute(string ContentID,
     string ContentDescription, XimuraEntityType entityType)
 {
     mID = new Guid(ContentID);
     mDescription = ContentDescription;
     cType = entityType;
 }
 /// <summary>
 /// The attribute constructor.
 /// </summary>
 /// <param name="ContentID">The content GUID string.</param>
 /// <param name="entityType">The entity type. This specifies whether the content is an
 /// entity in its own right, or just a fragment of a bigger entity. This is useful for caching
 /// purposes.</param>
 public XimuraContentIDAttribute(string ContentID, XimuraEntityType entityType)
     :
     this(ContentID, "", entityType) { }