SQLiteMailPersistenceServiceCount Method

public long Count(
	Expression<Func<MailMessage, bool>> p,
	IPrincipal authContext = null
)

Public Function Count ( 
	p As Expression(Of Func(Of MailMessage, Boolean)),
	Optional authContext As IPrincipal = Nothing
) As Long

public:
virtual long long Count(
	Expression<Func<MailMessage^, bool>^>^ p, 
	IPrincipal^ authContext = nullptr
) sealed

abstract Count : 
        p : Expression<Func<MailMessage, bool>> * 
        ?authContext : IPrincipal 
(* Defaults:
        let _authContext = defaultArg authContext null
*)
-> int64 
override Count : 
        p : Expression<Func<MailMessage, bool>> * 
        ?authContext : IPrincipal 
(* Defaults:
        let _authContext = defaultArg authContext null
*)
-> int64