[OperationContractAttribute(Action = "http://tempuri.org/IService1/IO_FileExists", 
	ReplyAction = "http://tempuri.org/IService1/IO_FileExistsResponse")]
bool IO_FileExists(
	string file,
	string key
)

<OperationContractAttribute(Action := "http://tempuri.org/IService1/IO_FileExists", 
	ReplyAction := "http://tempuri.org/IService1/IO_FileExistsResponse")>
Function IO_FileExists ( 
	file As String,
	key As String
) As Boolean

[OperationContractAttribute(Action = L"http://tempuri.org/IService1/IO_FileExists", 
	ReplyAction = L"http://tempuri.org/IService1/IO_FileExistsResponse")]
bool IO_FileExists(
	String^ file, 
	String^ key
)

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