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我有一个WCF服务,在它我有需要MessageContracts作为输入参数,并返回一个MessageContract作为输出参数的方法。请在下面找到WCF方法表示无效参数
[OperationContract(IsOneWay = false)]
FileDownloadReturnMessage DownloadFile(FileDownloadMessage request);
方法认定中但是,当我创建客户端上的代理,并尝试访问此方法我得到的方法的不同定义。下面是我所看到的,当我尝试访问该方法的Web服务的
DownloadFile(FileMetaData metadata, out stream outStream)
完整的代码如下:
[ServiceContract(Namespace = "http://schemas.acme.it/2009/04/01")]
public interface IFileTransferService
{
[OperationContract(IsOneWay = false)]
FileDownloadReturnMessage DownloadFile(FileDownloadMessage request);
[OperationContract()]
string HellowWorld(string name);
}
[MessageContract]
public class FileDownloadMessage
{
[MessageHeader(MustUnderstand = true)]
public FileMetaData FileMetaData;
}
[MessageContract]
public class FileDownloadReturnMessage
{
public FileDownloadReturnMessage(FileMetaData metaData, Stream stream)
{
this.DownloadedFileMetadata = metaData;
this.FileByteStream = stream;
}
[MessageHeader(MustUnderstand = true)]
public FileMetaData DownloadedFileMetadata;
[MessageBodyMember(Order = 1)]
public Stream FileByteStream;
}
[DataContract(Namespace = "http://schemas.acme.it/2009/04/01")]
public class FileMetaData
{
public FileMetaData(string [] productIDs, string authenticationKey)
{
this.ids = productIDs;
this.authenticationKey= authenticationKey;
}
[DataMember(Name = "ProductIDsArray", Order = 1, IsRequired = true)]
public string[] ids;
[DataMember(Name = "AuthenticationKey", Order = 2, IsRequired = true)]
public string authenticationKey;
}
请指教。
你是绝对正确的。非常感谢 – Amit 2010-08-30 12:29:23