ParametersEvaluatingContextFactory - делегат

public delegate IParametersEvaluatingContext ParametersEvaluatingContextFactory(
	Dbms dbms = Dbms.Unknown
)

Public Delegate Function ParametersEvaluatingContextFactory ( 
	Optional dbms As Dbms = Dbms.Unknown
) As IParametersEvaluatingContext

public delegate IParametersEvaluatingContext^ ParametersEvaluatingContextFactory(
	Dbms dbms = Dbms::Unknown
)

type ParametersEvaluatingContextFactory = 
    delegate of 
        ?dbms : Dbms 
(* Defaults:
        let _dbms = defaultArg dbms Dbms.Unknown
*)
-> IParametersEvaluatingContext