如何处理来自 Web Service 客户端的未知 SOAP 标头

public class MyWebService {
    public SoapUnknownHeader[] unknownHeaders;

Public Class MyWebService
    Public unknownHeaders() As SoapUnknownHeader

    
    [WebMethod]
    [SoapHeader("unknownHeaders")]
    public string MyWebMethod()

    <WebMethod, _
     SoapHeader("unknownHeaders") > _
    Public Function MyWebMethod() As String
 

       
       foreach (SoapUnknownHeader header in unknownHeaders) 
       {
         // Check to see if this a known header.
         if (header.Element.Name == "MyKnownHeader")

       Dim header As SoapUnknownHeader       
       For Each header In unknownHeaders
         ‘ Check to see if this is a known header.
         If (header.Element.Name = "MyKnownHeader") Then

         // Check to see if this is a known header.
         if (header.Element.Name == "MyKnownHeader")
               header.DidUnderstand = true;
         else
             // For those headers that cannot be 
             // processed, set DidUnderstand to false.
             header.DidUnderstand = false;
         }

         ‘ Check to see if this a known header.
         If (header.Element.Name = "MyKnownHeader") Then
               header.DidUnderstand = True
         Else
             ‘ For those headers that cannot be 
             ‘ processed, set DidUnderstand to false.
             header.DidUnderstand = False
         End If