protected DBField(
	string fieldName,
	DBTypeDefinition typeDefinition,
	string description,
	bool enableChangeTracking,
	bool isNullable,
	int ordinalPosition
)

Protected Sub New ( 
	fieldName As String,
	typeDefinition As DBTypeDefinition,
	description As String,
	enableChangeTracking As Boolean,
	isNullable As Boolean,
	ordinalPosition As Integer
)