RemotingServices.ExecuteMessage Yöntem
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Belirtilen uzak nesneye bağlanır ve üzerinde sağlanan IMethodCallMessage öğesini yürütür.
public:
static System::Runtime::Remoting::Messaging::IMethodReturnMessage ^ ExecuteMessage(MarshalByRefObject ^ target, System::Runtime::Remoting::Messaging::IMethodCallMessage ^ reqMsg);
public static System.Runtime.Remoting.Messaging.IMethodReturnMessage ExecuteMessage (MarshalByRefObject target, System.Runtime.Remoting.Messaging.IMethodCallMessage reqMsg);
[System.Security.SecurityCritical]
public static System.Runtime.Remoting.Messaging.IMethodReturnMessage ExecuteMessage (MarshalByRefObject target, System.Runtime.Remoting.Messaging.IMethodCallMessage reqMsg);
static member ExecuteMessage : MarshalByRefObject * System.Runtime.Remoting.Messaging.IMethodCallMessage -> System.Runtime.Remoting.Messaging.IMethodReturnMessage
[<System.Security.SecurityCritical>]
static member ExecuteMessage : MarshalByRefObject * System.Runtime.Remoting.Messaging.IMethodCallMessage -> System.Runtime.Remoting.Messaging.IMethodReturnMessage
Public Shared Function ExecuteMessage (target As MarshalByRefObject, reqMsg As IMethodCallMessage) As IMethodReturnMessage
Parametreler
- target
- MarshalByRefObject
Yöntemini çağırmak istediğiniz uzak nesne.
- reqMsg
- IMethodCallMessage
Belirtilen uzak nesnenin yöntemine bir yöntem çağrısı iletisi.
Döndürülenler
Uzak yöntemin yanıtı.
- Öznitelikler
Özel durumlar
Hemen çağıranın altyapı izni yok.
yöntemi, nesnenin yerel bağlamı dışında bir bağlamdan çağrıldı.
Örnekler
Aşağıdaki kod örneği, yöntem çağrılarını uzak nesnelere iletmek için yönteminin nasıl kullanılacağını ExecuteMessage gösterir.
[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::LinkDemand,
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]
virtual void ProcessMessageStart( IMessage^ requestMessage, bool /*bClientSide*/, bool /*bAsyncCall*/ )
{
Console::WriteLine( "\nProcessMessageStart" );
Console::WriteLine( "requestMessage = {0}", requestMessage );
try
{
Console::WriteLine( "SessionId = {0}.", RemotingServices::GetSessionIdForMethodMessage( dynamic_cast<IMethodMessage^>(requestMessage) ) );
}
catch ( InvalidCastException^ )
{
Console::WriteLine( "The requestMessage is not an IMethodMessage*." );
}
IMethodCallMessage^ requestMethodCallMessage;
try
{
requestMethodCallMessage = dynamic_cast<IMethodCallMessage^>(requestMessage);
// Prints the details of the IMethodCallMessage* to the console.
Console::WriteLine( "\nMethodCall details" );
Console::WriteLine( "Uri = {0}", requestMethodCallMessage->Uri );
Console::WriteLine( "TypeName = {0}", requestMethodCallMessage->TypeName );
Console::WriteLine( "MethodName = {0}", requestMethodCallMessage->MethodName );
Console::WriteLine( "ArgCount = {0}", requestMethodCallMessage->ArgCount );
Console::WriteLine( "MethodCall::Args" );
IEnumerator^ myEnum = requestMethodCallMessage->Args->GetEnumerator();
while ( myEnum->MoveNext() )
{
Object^ o = safe_cast<Object^>(myEnum->Current);
Console::WriteLine( "\t {0}", o );
// Sends this method call message to another server to replicate
// the call at the second server.
if ( requestMethodCallMessage->Uri == replicatedServiceUri )
{
String^ repSvr = String::Format( "{0}{1}", const_cast<String^>(replicationServerUrl), const_cast<String^>(replicatedServiceUri) );
SampleService^ replicationService = dynamic_cast<SampleService^>(Activator::GetObject( SampleService::typeid, repSvr ));
IMethodReturnMessage^ returnMessage = RemotingServices::ExecuteMessage( replicationService, requestMethodCallMessage );
// Prints the results of the method call stored in the IMethodReturnMessage*.
Console::WriteLine( "\nMessage returned by ExecuteMessage." );
Console::WriteLine( "\tException = {0}", returnMessage->Exception );
Console::WriteLine( "\tReturnValue = {0}", returnMessage->ReturnValue );
Console::WriteLine( "\tOutArgCount = {0}", returnMessage->OutArgCount );
Console::WriteLine( "Return message OutArgs" );
IEnumerator^ myEnum = requestMethodCallMessage->Args->GetEnumerator();
while ( myEnum->MoveNext() )
{
Object^ o = safe_cast<Object^>(myEnum->Current);
Console::WriteLine( "\t {0}", o );
}
}
}
}
catch ( InvalidCastException^ )
{
Console::WriteLine( "The requestMessage is not a MethodCall" );
}
}
public void ProcessMessageStart(IMessage requestMessage, bool bClientSide, bool bAsyncCall) {
Console.WriteLine("\nProcessMessageStart");
Console.WriteLine("requestMessage = {0}", requestMessage);
try {
Console.WriteLine("SessionId = {0}.",
RemotingServices.GetSessionIdForMethodMessage((IMethodMessage)requestMessage));
}
catch (InvalidCastException) {
Console.WriteLine("The requestMessage is not an IMethodMessage.");
}
IMethodCallMessage requestMethodCallMessage;
try {
requestMethodCallMessage = (IMethodCallMessage)requestMessage;
// Prints the details of the IMethodCallMessage to the console.
Console.WriteLine("\nMethodCall details");
Console.WriteLine("Uri = {0}", requestMethodCallMessage.Uri);
Console.WriteLine("TypeName = {0}", requestMethodCallMessage.TypeName);
Console.WriteLine("MethodName = {0}", requestMethodCallMessage.MethodName);
Console.WriteLine("ArgCount = {0}", requestMethodCallMessage.ArgCount);
Console.WriteLine("MethodCall.Args");
foreach(object o in requestMethodCallMessage.Args)
Console.WriteLine("\t{0}", o);
// Sends this method call message to another server to replicate
// the call at the second server.
if (requestMethodCallMessage.Uri == replicatedServiceUri) {
SampleService replicationService =
(SampleService)Activator.GetObject(typeof(SampleService),
replicationServerUrl + replicatedServiceUri);
IMethodReturnMessage returnMessage =
RemotingServices.ExecuteMessage(replicationService, requestMethodCallMessage);
// Prints the results of the method call stored in the IMethodReturnMessage.
Console.WriteLine("\nMessage returned by ExecuteMessage.");
Console.WriteLine("\tException = {0}", returnMessage.Exception);
Console.WriteLine("\tReturnValue = {0}", returnMessage.ReturnValue);
Console.WriteLine("\tOutArgCount = {0}", returnMessage.OutArgCount);
Console.WriteLine("Return message OutArgs");
foreach(object o in requestMethodCallMessage.Args)
Console.WriteLine("\t{0}", o);
}
}
catch (InvalidCastException) {
Console.WriteLine("The requestMessage is not a MethodCall");
}
}
<SecurityPermission(SecurityAction.LinkDemand, Flags := SecurityPermissionFlag.Infrastructure)> _
Public Sub ProcessMessageStart(requestMessage As IMessage, bClientSide As Boolean, bAsyncCall As Boolean) Implements IDynamicMessageSink.ProcessMessageStart
Console.WriteLine(ControlChars.Cr + "ProcessMessageStart")
Console.WriteLine("requestMessage = {0}", requestMessage)
Try
Console.WriteLine("SessionId = {0}.", RemotingServices.GetSessionIdForMethodMessage(CType(requestMessage, IMethodMessage)))
Catch e As InvalidCastException
Console.WriteLine("The requestMessage is not an IMethodMessage.")
End Try
Dim requestMethodCallMessage As IMethodCallMessage
Try
requestMethodCallMessage = CType(requestMessage, MethodCall)
' Prints the details of the IMethodCallMessage to the console
Console.WriteLine(ControlChars.Cr + "MethodCall details")
Console.WriteLine("Uri = {0}", requestMethodCallMessage.Uri)
Console.WriteLine("TypeName = {0}", requestMethodCallMessage.TypeName)
Console.WriteLine("MethodName = {0}", requestMethodCallMessage.MethodName)
Console.WriteLine("ArgCount = {0}", requestMethodCallMessage.ArgCount)
Console.WriteLine("MethodCall.Args")
Dim o As Object
For Each o In requestMethodCallMessage.Args
Console.WriteLine(ControlChars.Tab + "{0}", o)
Next o
' Sends this method call message to another server to replicate
' the call at the second server
If requestMethodCallMessage.Uri = replicatedServiceUri Then
Dim replicationService As SampleService = CType(Activator.GetObject(GetType(SampleService), replicationServerUrl + replicatedServiceUri), SampleService)
Dim returnMessage As IMethodReturnMessage = RemotingServices.ExecuteMessage(replicationService, requestMethodCallMessage)
' Prints the results of the method call stored in the IMethodReturnMessage.
Console.WriteLine(ControlChars.Cr + "Message returned by ExecuteMessage.")
Console.WriteLine(ControlChars.Tab + "Exception = {0}", returnMessage.Exception)
Console.WriteLine(ControlChars.Tab + "ReturnValue = {0}", returnMessage.ReturnValue)
Console.WriteLine(ControlChars.Tab + "OutArgCount = {0}", returnMessage.OutArgCount)
Console.WriteLine("Return message OutArgs")
For Each o In requestMethodCallMessage.Args
Console.WriteLine(ControlChars.Tab + "{0}", o)
Next o
End If
Catch e As InvalidCastException
Console.WriteLine("The requestMessage is not a MethodCall")
End Try
End Sub
Açıklamalar
Geçerli yöntem, belirtilen yöntem çağrısını başka bir uzak nesneye iletmek için sunucu tarafından özel durumlarda kullanılır. Bu yöntem yalnızca çağıran uygun bağlamda olduğunda çağrılabilir.
Şunlara uygulanır
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