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IMethodReturnMessage Interface
Visual Studio 2008
Defines the method call return message interface.
Assembly: mscorlib (in mscorlib.dll)
The following example code shows a custom proxy that overrides RealProxy.Invoke in order to write the return message information to the console.
<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _ Public Class MyProxy Inherits RealProxy Private stringUri As String Private myMarshalByRefObject As MarshalByRefObject Public Sub New(myType As Type) MyBase.New(myType) myMarshalByRefObject = CType(Activator.CreateInstance(myType), MarshalByRefObject) Dim myObject As ObjRef = RemotingServices.Marshal(myMarshalByRefObject) stringUri = myObject.URI End Sub 'New Public Overrides Function Invoke(myMessage As IMessage) As IMessage Dim myCallMessage As IMethodCallMessage = CType(myMessage, IMethodCallMessage) Dim myIMethodReturnMessage As IMethodReturnMessage = RemotingServices. _ ExecuteMessage(myMarshalByRefObject, myCallMessage) Console.WriteLine("Method name : " + myIMethodReturnMessage.MethodName) Console.WriteLine("The return value is : " + myIMethodReturnMessage.ReturnValue) ' Get number of 'ref' and 'out' parameters. Dim myArgOutCount As Integer = myIMethodReturnMessage.OutArgCount Console.WriteLine("The number of 'ref', 'out' parameters are : " + _ myIMethodReturnMessage.OutArgCount.ToString()) ' Gets name and values of 'ref' and 'out' parameters. Dim i As Integer For i = 0 To myArgOutCount - 1 Console.WriteLine("Name of argument {0} is '{1}'.", i, _ myIMethodReturnMessage.GetOutArgName(i)) Console.WriteLine("Value of argument {0} is '{1}'.", i, _ myIMethodReturnMessage.GetOutArg(i)) Next i Console.WriteLine() Dim myObjectArray As Object() = myIMethodReturnMessage.OutArgs For i = 0 To myObjectArray.Length - 1 Console.WriteLine("Value of argument {0} is '{1}' in OutArgs", i, myObjectArray(i)) Next i Return myIMethodReturnMessage End Function 'Invoke End Class 'MyProxy
public __gc class MyProxy : public RealProxy
{
String* stringUri;
MarshalByRefObject* myMarshalByRefObject;
public:
MyProxy(Type* myType) : RealProxy(myType)
{
myMarshalByRefObject = dynamic_cast<MarshalByRefObject*>(Activator::CreateInstance(myType));
ObjRef* myObject = RemotingServices::Marshal(myMarshalByRefObject);
stringUri = myObject->URI;
}
public:
IMessage* Invoke(IMessage* myMessage)
{
IMethodCallMessage* myCallMessage = dynamic_cast<IMethodCallMessage*>(myMessage);
IMethodReturnMessage* myIMethodReturnMessage =
RemotingServices::ExecuteMessage(myMarshalByRefObject, myCallMessage);
Console::WriteLine(S"Method name : {0}", myIMethodReturnMessage->MethodName);
Console::WriteLine(S"The return value is : {0}", myIMethodReturnMessage->ReturnValue);
// Get number of 'ref' and 'out' parameters.
int myArgOutCount = myIMethodReturnMessage->OutArgCount;
Console::WriteLine(S"The number of 'ref', 'out' parameters are : {0}", __box(myIMethodReturnMessage->OutArgCount));
// Gets name and values of 'ref' and 'out' parameters.
for (int i = 0; i < myArgOutCount; i++) {
Console::WriteLine(S"Name of argument {0} is ' {1}'.",
__box(i), myIMethodReturnMessage->GetOutArgName(i));
Console::WriteLine(S"Value of argument {0} is ' {1}'.",
__box(i), myIMethodReturnMessage->GetOutArg(i));
}
Console::WriteLine();
Object* myObjectArray[] = myIMethodReturnMessage->OutArgs;
for (int i = 0; i < myObjectArray->Length; i++)
Console::WriteLine(S"Value of argument {0} is ' {1}' in OutArgs",
__box(i), myObjectArray[i]);
return myIMethodReturnMessage;
}
};
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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