C#访问WebService需要SOAPHeader验证的方法

/// 

/// RequestSOAPHeader 的摘要说明
/// 
public class RequestSOAPHeader:SoapHeader
{
    public string uid{ get;set; }
    public string ucode{ get;set; }

    public RequestSOAPHeader()
    {
    }

    public RequestSOAPHeader(string s_uid,string s_ucode)
    {
        this.uid = s_uid;
        this.ucode = s_ucode;
    }
}

public RequestSOAPHeader RequestSOAPHeader;

public partial class ReceivePubServiceImplService : System.Web.Services.Protocols.SoapHttpClientProtocol
{

    private System.Threading.SendOrPostCallback receivePublishOperationCompleted;
    public RequestSOAPHeader RequestSOAPHeader;

    /// 
    public ReceivePubServiceImplService()
    {
        //接口地址
        this.Url = "http://xxxxxx.com/platform/services/ReceivePublishService?wsdl";
        string uid = ""; 
        string Password = "123456"; 
      
        //通过构造函数实例化 来传值
        RequestSOAPHeader = new RequestSOAPHeader(uid, ucode);

    }

    /// 
    public event receivePubCompletedEventHandler receivePublishCompleted;

    /// 
    [System.Web.Services.Protocols.SoapDocumentMethodAttribute("", RequestNamespace = "http://server.webService.com/", ResponseNamespace = "http://server.webService.com/", 
Use = System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle = System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
    [return: System.Xml.Serialization.XmlElementAttribute("return", Form = System.Xml.Schema.XmlSchemaForm.Unqualified, IsNullable = true)]
    [SoapHeader("RequestSOAPHeader")]
    public string receivePub([System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified, IsNullable = true)] string arg0)
    {
        object[] results = this.Invoke("receivePub", new object[] {
                    arg0});
        return ((string)(results[0]));
    }