ReturnMessage Class
.NET Framework 2.0
Holds a message returned in response to a method call on a remote object.
Namespace: System.Runtime.Remoting.Messaging
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
'Declaration <ComVisibleAttribute(True)> _ Public Class ReturnMessage Implements IMethodReturnMessage, IMethodMessage, IMessage 'Usage Dim instance As ReturnMessage
/** @attribute ComVisibleAttribute(true) */ public class ReturnMessage implements IMethodReturnMessage, IMethodMessage, IMessage
ComVisibleAttribute(true) public class ReturnMessage implements 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 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
/** @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
- 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 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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