CallContext.GetHeaders Metod
Definition
Viktigt
En del information gäller för förhandsversionen av en produkt och kan komma att ändras avsevärt innan produkten blir allmänt tillgänglig. Microsoft lämnar inga garantier, uttryckliga eller underförstådda, avseende informationen som visas här.
Returnerar de rubriker som skickas tillsammans med metodanropet.
public:
static cli::array <System::Runtime::Remoting::Messaging::Header ^> ^ GetHeaders();
public static System.Runtime.Remoting.Messaging.Header[] GetHeaders();
[System.Security.SecurityCritical]
public static System.Runtime.Remoting.Messaging.Header[] GetHeaders();
static member GetHeaders : unit -> System.Runtime.Remoting.Messaging.Header[]
[<System.Security.SecurityCritical>]
static member GetHeaders : unit -> System.Runtime.Remoting.Messaging.Header[]
Public Shared Function GetHeaders () As Header()
Returer
Rubrikerna som skickas tillsammans med metodanropet.
- Attribut
Undantag
Den omedelbara anroparen har inte infrastrukturbehörighet.
Exempel
I följande kodexempel skickas rubriker till en fjärrmetod och innehållet i dessa rubriker skrivs ut till konsolen när fjärrmetoden returneras.
// Array of Headers with name and values initialized.
array<Header^>^ myArrSetHeader = { gcnew Header( "Header0","CallContextHeader0" ),
gcnew Header( "Header1","CallContextHeader1" ) };
// Pass the Header Array with method call.
// Header will be set in the method by'CallContext::SetHeaders' method in remote Object*.
Console::WriteLine( "Remote HeaderMethod output is {0}",
myService->HeaderMethod( "CallContextHeader", myArrSetHeader ) );
array<Header^>^ myArrGetHeader;
// Get Header Array.
myArrGetHeader = CallContext::GetHeaders();
if ( nullptr == myArrGetHeader )
{
Console::WriteLine( "CallContext::GetHeaders Failed" );
}
else
{
Console::WriteLine( "Headers:" );
}
for each ( Header^ myHeader in myArrGetHeader )
{
Console::WriteLine( "Value in Header '{0}' is '{1}'.",
myHeader->Name, myHeader->Value );
}
// Array of Headers with name and values initialized.
Header[] myArrSetHeader = {new Header("Header0","CallContextHeader0"),
new Header("Header1","CallContextHeader1")};
// Pass the Header Array with method call.
// Header will be set in the method by'CallContext.SetHeaders' method in remote object.
Console.WriteLine("Remote HeaderMethod output is " +
myService.HeaderMethod("CallContextHeader",myArrSetHeader));
Header[] myArrGetHeader;
// Get Header Array.
myArrGetHeader=CallContext.GetHeaders();
if (null == myArrGetHeader)
Console.WriteLine("CallContext.GetHeaders Failed");
else
Console.WriteLine("Headers:");
foreach(Header myHeader in myArrGetHeader)
{
Console.WriteLine("Value in Header '{0}' is '{1}'.",myHeader.Name,myHeader.Value);
}
' Array of Headers with name and values initialized.
Dim myArrSetHeader As Header() = {New Header("Header0", "CallContextHeader0"), _
New Header("Header1", "CallContextHeader1")}
' Pass the Header Array with method call.
' Header will be set in the method by'CallContext.SetHeaders' method in remote object.
Console.WriteLine("Remote HeaderMethod output is " _
+ myService.HeaderMethod("CallContextHeader", myArrSetHeader))
Dim myArrGetHeader() As Header
' Get Header Array.
myArrGetHeader = CallContext.GetHeaders()
If myArrGetHeader Is Nothing Then
Console.WriteLine("CallContext.GetHeaders Failed")
Else
Console.WriteLine("Headers:")
End If
Dim myHeader As Header
For each myHeader in myArrGetHeader
Console.WriteLine("Value in Header '{0}' is '{1}'.",myHeader.Name,myHeader.Value)
Next