ReturnMessage Class
Holds a message returned in response to a method call on a remote object.
Assembly: mscorlib (in mscorlib.dll)
'Declaration <ComVisibleAttribute(True)> _ <SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags := SecurityPermissionFlag.Infrastructure)> _ <SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags := SecurityPermissionFlag.Infrastructure)> _ Public Class ReturnMessage _ Implements IMethodReturnMessage, IMethodMessage, IMessage 'Usage Dim instance As ReturnMessage
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This class makes a link demand and an inheritance demand at the class level. A SecurityException is thrown when either the immediate caller or the derived class does not have infrastructure permission. For details about security demands, see Link Demands and Inheritance Demands. |
<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;
}
};
- SecurityPermission
for operating with infrastructure code. Demand value: SecurityAction.LinkDemand; Permission Value: SecurityPermissionFlag.Infrastructure
- SecurityPermission
for operating with infrastructure code. Demand value: SecurityAction.InheritanceDemand; Permission Value: SecurityPermissionFlag.Infrastructure
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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