CallContext.GetHeaders Metode

Definisi

Ruang nama:

System.Runtime.Remoting.Messaging

Rakitan:

mscorlib.dll

Mengembalikan header yang dikirim bersama dengan panggilan metode.

public:
 static cli::array <System::Runtime::Remoting::Messaging::Header ^> ^ GetHeaders();

[System.Security.SecurityCritical]
public static System.Runtime.Remoting.Messaging.Header[] GetHeaders();

[<System.Security.SecurityCritical>]
static member GetHeaders : unit -> System.Runtime.Remoting.Messaging.Header[]

Public Shared Function GetHeaders () As Header()

Mengembalikan

Header[]

Header yang dikirim bersama dengan panggilan metode.

Atribut

SecurityCriticalAttribute

Pengecualian

SecurityException

Pemanggil langsung tidak memiliki izin infrastruktur.

Contoh

Contoh kode berikut mengirim header ke metode jarak jauh dan mencetak konten header tersebut ke konsol saat metode jarak jauh kembali.

// 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