/// <summary>
/// Gets the attribute reference dictionary.
/// </summary>
/// <param name="bref">The bref.</param>
/// <param name="mode">The mode.</param>
/// <param name="includingErased">if set to <c>true</c> [including erased].</param>
/// <param name="openObjectsOnLockedLayers">if set to <c>true</c> [open objects on locked layers].</param>
/// <returns></returns>
public static Dictionary <string, AttributeReference> GetAttributeReferenceDictionary(this BlockReference bref,
OpenMode mode = OpenMode.ForRead, bool includingErased = false, bool openObjectsOnLockedLayers = false)
{
return(bref.GetAttributeReferenceDictionary(bref.Database.TransactionManager.TopTransaction, mode,
includingErased, openObjectsOnLockedLayers));
}