ReturnMessage Class
.NET Framework 3.5
Holds a message returned in response to a method call on a remote object.
Assembly: mscorlib (in mscorlib.dll)
[ComVisibleAttribute(true)] [SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags = SecurityPermissionFlag.Infrastructure)] [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.Infrastructure)] public class ReturnMessage : IMethodReturnMessage, IMethodMessage, IMessage
Note:
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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 : RealProxy { String stringUri; MarshalByRefObject myMarshalByRefObject; public MyProxy(Type myType): base(myType) { myMarshalByRefObject = (MarshalByRefObject)Activator.CreateInstance(myType); ObjRef myObject = RemotingServices.Marshal(myMarshalByRefObject); stringUri = myObject.URI; } public override IMessage Invoke(IMessage myMessage) { IMethodCallMessage myCallMessage = (IMethodCallMessage)myMessage; IMethodReturnMessage myIMethodReturnMessage = 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. int myArgOutCount = myIMethodReturnMessage.OutArgCount; Console.WriteLine("The number of 'ref', 'out' parameters are : " + myIMethodReturnMessage.OutArgCount); // Gets name and values of 'ref' and 'out' parameters. for(int i = 0; i < myArgOutCount; i++) { Console.WriteLine("Name of argument {0} is '{1}'.", i, myIMethodReturnMessage.GetOutArgName(i)); Console.WriteLine("Value of argument {0} is '{1}'.", i, myIMethodReturnMessage.GetOutArg(i)); } Console.WriteLine(); object[] myObjectArray = myIMethodReturnMessage.OutArgs; for(int i = 0; i < myObjectArray.Length; i++) Console.WriteLine("Value of argument {0} is '{1}' in OutArgs", i, myObjectArray[i]); return myIMethodReturnMessage; } }
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;
}
};
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SecurityPermission
for operating with infrastructure code. Demand value: SecurityAction.LinkDemand; Permission Value: SecurityPermissionFlag.Infrastructure
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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.
