This documentation is archived and is not being maintained.

ReturnMessage Class

Holds a message returned in response to a method call on a remote object.

Namespace: System.Runtime.Remoting.Messaging
Assembly: mscorlib (in mscorlib.dll)

[ComVisibleAttribute(true)] 
public class ReturnMessage : IMethodReturnMessage, IMethodMessage, IMessage
/** @attribute ComVisibleAttribute(true) */ 
public class ReturnMessage implements IMethodReturnMessage, IMethodMessage, 
	IMessage
ComVisibleAttribute(true) 
public class ReturnMessage implements IMethodReturnMessage, IMethodMessage, 
	IMessage
Not applicable.

NoteNote:

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;
   }
}

/** @attribute SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.Infrastructure)
*/
public class MyProxy extends RealProxy
{
    private String stringUri;
    private MarshalByRefObject myMarshalByRefObject;

    public MyProxy(Type myType)
    {
        super(myType);
        myMarshalByRefObject 
            = (MarshalByRefObject)Activator.CreateInstance(myType);
        ObjRef myObject = RemotingServices.Marshal(myMarshalByRefObject);
        stringUri = myObject.get_URI();
    } //MyProxy

    public IMessage Invoke(IMessage myMessage)
    {
        IMethodCallMessage myCallMessage = (IMethodCallMessage)myMessage;
        IMethodReturnMessage myIMethodReturnMessage 
            = RemotingServices.ExecuteMessage(myMarshalByRefObject,
                myCallMessage);
        Console.WriteLine("Method name : " 
            + myIMethodReturnMessage.get_MethodName());
        Console.WriteLine("The return value is : " 
            + myIMethodReturnMessage.get_ReturnValue());

        // Get number of 'ref' and 'out' parameters.
        int myArgOutCount = myIMethodReturnMessage.get_OutArgCount();

        Console.WriteLine("The number of 'ref', 'out' parameters are : " 
            + myIMethodReturnMessage.get_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}'.",
                System.Convert.ToString(i),
                myIMethodReturnMessage.GetOutArgName(i));
            Console.WriteLine("Value of argument {0} is '{1}'.",
                System.Convert.ToString(i),
                myIMethodReturnMessage.GetOutArg(i));
        }
        Console.WriteLine();
        Object myObjectArray[] = myIMethodReturnMessage.get_OutArgs();

        for (int i = 0; i < myObjectArray.length; i++) {
            Console.WriteLine("Value of argument {0} is '{1}' in OutArgs",
                System.Convert.ToString(i), myObjectArray.get_Item(i));
        }

        return myIMethodReturnMessage;
    } //Invoke
} //MyProxy

System.Object
  System.Runtime.Remoting.Messaging.ReturnMessage

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0
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