[OperationContractAttribute(Action = "http://tempuri.org/IService1/UnviewNotificationMessage", 
	ReplyAction = "http://tempuri.org/IService1/UnviewNotificationMessageResponse")]
bool UnviewNotificationMessage(
	string messageId,
	string key
)

<OperationContractAttribute(Action := "http://tempuri.org/IService1/UnviewNotificationMessage", 
	ReplyAction := "http://tempuri.org/IService1/UnviewNotificationMessageResponse")>
Function UnviewNotificationMessage ( 
	messageId As String,
	key As String
) As Boolean

[OperationContractAttribute(Action = L"http://tempuri.org/IService1/UnviewNotificationMessage", 
	ReplyAction = L"http://tempuri.org/IService1/UnviewNotificationMessageResponse")]
bool UnviewNotificationMessage(
	String^ messageId, 
	String^ key
)

[<OperationContractAttribute(Action = "http://tempuri.org/IService1/UnviewNotificationMessage", 
	ReplyAction = "http://tempuri.org/IService1/UnviewNotificationMessageResponse")>]
abstract UnviewNotificationMessage : 
        messageId : string * 
        key : string -> bool