IConverterContextTryGetVariable - метод

[CanBeNullAttribute]
ParameterExpression TryGetVariable(
	[NotNullAttribute] string variableName
)

<CanBeNullAttribute>
Function TryGetVariable ( 
	<NotNullAttribute> variableName As String
) As ParameterExpression

[CanBeNullAttribute]
ParameterExpression^ TryGetVariable(
	[NotNullAttribute] String^ variableName
)

[<CanBeNullAttribute>]
abstract TryGetVariable : 
        [<NotNullAttribute>] variableName : string -> ParameterExpression