SessionContainerUpdateSessionAsync 方法

public static Task<SessionBag> UpdateSessionAsync(
	string key,
	string openId,
	string sessionKey,
	string uniondId,
	Nullable<TimeSpan> expireTime = null
)

Public Shared Function UpdateSessionAsync ( 
	key As String,
	openId As String,
	sessionKey As String,
	uniondId As String,
	Optional expireTime As Nullable(Of TimeSpan) = Nothing
) As Task(Of SessionBag)