public ParameterSchema(
	CommandSchema command,
	string name,
	ParameterDirection direction,
	DbType dataType,
	string nativeType,
	int size,
	byte precision,
	int scale,
	bool allowDbNull
)

Public Sub New ( 
	command As CommandSchema,
	name As String,
	direction As ParameterDirection,
	dataType As DbType,
	nativeType As String,
	size As Integer,
	precision As Byte,
	scale As Integer,
	allowDbNull As Boolean
)