IMethodCallMessage 接口
定义
重要
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定义方法调用消息接口。
public interface class IMethodCallMessage : System::Runtime::Remoting::Messaging::IMethodMessage
public interface IMethodCallMessage : System.Runtime.Remoting.Messaging.IMethodMessage
[System.Runtime.InteropServices.ComVisible(true)]
public interface IMethodCallMessage : System.Runtime.Remoting.Messaging.IMethodMessage
type IMethodCallMessage = interface
interface IMethodMessage
interface IMessage
[<System.Runtime.InteropServices.ComVisible(true)>]
type IMethodCallMessage = interface
interface IMethodMessage
interface IMessage
Public Interface IMethodCallMessage
Implements IMethodMessage
- 派生
- 属性
- 实现
示例
using namespace System;
using namespace System::Collections;
using namespace System::Runtime::Remoting;
using namespace System::Runtime::Remoting::Proxies;
using namespace System::Runtime::Remoting::Messaging;
// MyProxy extends the CLR Remoting RealProxy.
// In the same class, in the Invoke method, the methods and properties of the
// IMethodCallMessage are demonstrated.
[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::LinkDemand,
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]
[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::InheritanceDemand,
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]
public ref class MyProxy: public RealProxy
{
public:
MyProxy( Type^ myType )
: RealProxy( myType )
{
// This constructor forwards the call to base RealProxy.
// RealProxy uses the Type to generate a transparent proxy.
}
virtual IMessage^ Invoke( IMessage^ myIMessage ) override
{
Console::WriteLine( "MyProxy::Invoke Start" );
Console::WriteLine( "" );
ReturnMessage^ myReturnMessage = nullptr;
if ( dynamic_cast<IMethodCallMessage^>(myIMessage) )
{
Console::WriteLine( "Message is of type 'IMethodCallMessage*'." );
Console::WriteLine( "" );
IMethodCallMessage^ myIMethodCallMessage;
myIMethodCallMessage = dynamic_cast<IMethodCallMessage^>(myIMessage);
Console::WriteLine( "InArgCount is : {0}", myIMethodCallMessage->InArgCount );
IEnumerator^ myEnum = myIMethodCallMessage->InArgs->GetEnumerator();
while ( myEnum->MoveNext() )
{
Object^ myObj = safe_cast<Object^>(myEnum->Current);
Console::WriteLine( "InArgs is : {0}", myObj );
}
for ( int i = 0; i < myIMethodCallMessage->InArgCount; i++ )
{
Console::WriteLine( "GetArgName({0}) is : {1}", i, myIMethodCallMessage->GetArgName( i ) );
Console::WriteLine( "GetInArg({0}) is : {0}", i, myIMethodCallMessage->GetInArg( i ) );
}
Console::WriteLine( "" );
}
else
if ( dynamic_cast<IMethodReturnMessage^>(myIMessage) )
Console::WriteLine( "Message is of type 'IMethodReturnMessage*'." );
// Build Return Message
myReturnMessage = gcnew ReturnMessage( 5,nullptr,0,nullptr,dynamic_cast<IMethodCallMessage^>(myIMessage) );
Console::WriteLine( "MyProxy::Invoke - Finish" );
return myReturnMessage;
}
};
// The class used to obtain Metadata.
public ref class MyMarshalByRefClass: public MarshalByRefObject
{
public:
int MyMethod( String^ str, double dbl, int i )
{
Console::WriteLine( "MyMarshalByRefClass::MyMethod {0} {1} {2}", str, dbl, i );
return 0;
}
};
// Main routine that drives the whole sample.
int main()
{
Console::WriteLine( "Generate a new MyProxy." );
MyProxy^ myProxy = gcnew MyProxy( MyMarshalByRefClass::typeid );
Console::WriteLine( "Obtain the transparent proxy from myProxy." );
MyMarshalByRefClass^ myMarshalByRefClassObj = dynamic_cast<MyMarshalByRefClass^>(myProxy->GetTransparentProxy());
Console::WriteLine( "Calling the Proxy." );
Object^ myReturnValue = myMarshalByRefClassObj->MyMethod( "Microsoft", 1.2, 6 );
Console::WriteLine( "Sample Done." );
return 0;
}
using System;
using System.Collections;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Proxies;
using System.Runtime.Remoting.Messaging;
namespace IMethodCallMessageNS
{
// MyProxy extends the CLR Remoting RealProxy.
// In the same class, in the Invoke method, the methods and properties of the
// IMethodCallMessage are demonstrated.
public class MyProxy : RealProxy
{
public MyProxy(Type myType) : base(myType)
{
// This constructor forwards the call to base RealProxy.
// RealProxy uses the Type to generate a transparent proxy.
}
public override IMessage Invoke(IMessage myIMessage)
{
Console.WriteLine("MyProxy.Invoke Start");
Console.WriteLine("");
ReturnMessage myReturnMessage = null;
if (myIMessage is IMethodCallMessage)
{
Console.WriteLine("Message is of type 'IMethodCallMessage'.");
Console.WriteLine("");
IMethodCallMessage myIMethodCallMessage;
myIMethodCallMessage=(IMethodCallMessage)myIMessage;
Console.WriteLine("InArgCount is : " +
myIMethodCallMessage.InArgCount.ToString());
foreach (object myObj in myIMethodCallMessage.InArgs)
{
Console.WriteLine("InArgs is : " + myObj.ToString());
}
for(int i=0; i<myIMethodCallMessage.InArgCount; i++)
{
Console.WriteLine("GetArgName(" +i.ToString() +") is : " +
myIMethodCallMessage.GetArgName(i));
Console.WriteLine("GetInArg("+i.ToString() +") is : " +
myIMethodCallMessage.GetInArg(i).ToString());
}
Console.WriteLine("");
}
else if (myIMessage is IMethodReturnMessage)
{
Console.WriteLine("Message is of type 'IMethodReturnMessage'.");
}
// Build Return Message
myReturnMessage = new ReturnMessage(5,null,0,null,
(IMethodCallMessage)myIMessage);
Console.WriteLine("MyProxy.Invoke - Finish");
return myReturnMessage;
}
}
// The class used to obtain Metadata.
public class MyMarshalByRefClass : MarshalByRefObject
{
public int MyMethod(string str, double dbl, int i)
{
Console.WriteLine("MyMarshalByRefClass.MyMethod {0} {1} {2}", str, dbl, i);
return 0;
}
}
// Main class that drives the whole sample.
public class ProxySample
{
public static void Main()
{
Console.WriteLine("Generate a new MyProxy.");
MyProxy myProxy = new MyProxy(typeof(MyMarshalByRefClass));
Console.WriteLine("Obtain the transparent proxy from myProxy.");
MyMarshalByRefClass myMarshalByRefClassObj =
(MyMarshalByRefClass)myProxy.GetTransparentProxy();
Console.WriteLine("Calling the Proxy.");
object myReturnValue = myMarshalByRefClassObj.MyMethod("Microsoft", 1.2, 6);
Console.WriteLine("Sample Done.");
}
}
}
Imports System.Collections
Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Proxies
Imports System.Runtime.Remoting.Messaging
Imports System.Security.Permissions
Namespace IMethodCallMessageNS
' MyProxy extends the CLR Remoting RealProxy.
' In the same class, in the Invoke method, we demonstrate the
' methods and properties of the IMethodCallMessage.
<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _
Public Class MyProxy
Inherits RealProxy
Public Sub New(ByVal myType As Type)
' This constructor forwards the call to base RealProxy.
' RealProxy uses the Type to generate a transparent proxy.
MyBase.New(myType)
End Sub
Public Overrides Function Invoke(ByVal myIMessage As IMessage) As IMessage
Console.WriteLine("MyProxy.Invoke Start")
Console.WriteLine("")
If TypeOf myIMessage Is IMethodCallMessage Then
Console.WriteLine("Message is of type 'IMethodCallMessage'.")
Console.WriteLine("")
Dim myIMethodCallMessage As IMethodCallMessage
myIMethodCallMessage = CType(myIMessage, IMethodCallMessage)
Console.WriteLine("InArgCount is : " + myIMethodCallMessage.InArgCount.ToString)
Dim myObj As Object
For Each myObj In myIMethodCallMessage.InArgs
Console.WriteLine("InArgs is : " + myObj.ToString())
Next
Dim i As Integer
For i = 0 To myIMethodCallMessage.InArgCount - 1
Console.WriteLine("GetArgName(" + i.ToString() + ") is : " + myIMethodCallMessage.GetArgName(i))
Console.WriteLine("GetInArg(" + i.ToString() + ") is : " + myIMethodCallMessage.GetInArg(i).ToString)
Next i
Console.WriteLine("")
ElseIf TypeOf myIMessage Is IMethodReturnMessage Then
Console.WriteLine("Message is of type 'IMethodReturnMessage'.")
End If
' Build Return Message
Dim myReturnMessage As New ReturnMessage(5, Nothing, 0, Nothing, _
CType(myIMessage, IMethodCallMessage))
Console.WriteLine("MyProxy.Invoke - Finish")
Return myReturnMessage
End Function 'Invoke
End Class
' The class used to obtain Metadata.
<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _
Public Class MyMarshalByRefClass
Inherits MarshalByRefObject
Public Function MyMethod(ByVal str As String, ByVal dbl As Double, ByVal i As Integer) As Integer
Console.WriteLine("MyMarshalByRefClass.MyMethod {0} {1} {2}", str, dbl, i)
Return 0
End Function 'MyMethod
End Class
' Main class that drives the whole sample.
Public Class ProxySample
<SecurityPermission(SecurityAction.LinkDemand)> _
Shared Sub Main()
Console.WriteLine("Generate a new MyProxy.")
Dim myProxy As New MyProxy(GetType(MyMarshalByRefClass))
Console.WriteLine("Obtain the transparent proxy from myProxy.")
Dim myMarshalByRefClassObj As MyMarshalByRefClass = _
CType(myProxy.GetTransparentProxy(), MyMarshalByRefClass)
Console.WriteLine("Calling the Proxy.")
Dim myReturnValue As Object = myMarshalByRefClassObj.MyMethod("Microsoft", 1.2, 6)
Console.WriteLine("Sample Done.")
End Sub
End Class
End Namespace 'IMethodCallMessageNS
注解
IMethodCallMessage在远程对象上调用的方法生成 ,用于将有关远程方法调用的详细信息传输到服务器端。
属性
ArgCount |
获取传递给该方法的参数的数目。 (继承自 IMethodMessage) |
Args |
获取传递给该方法的参数数组。 (继承自 IMethodMessage) |
HasVarArgs |
获取一个值,该值指示消息是否具有变量参数。 (继承自 IMethodMessage) |
InArgCount |
获取调用中未标记为 |
InArgs |
获取未标记为 |
LogicalCallContext |
获取当前方法调用的 LogicalCallContext。 (继承自 IMethodMessage) |
MethodBase |
获取被调用方法的 MethodBase。 (继承自 IMethodMessage) |
MethodName |
获取被调用方法的名称。 (继承自 IMethodMessage) |
MethodSignature |
获取包含方法签名的对象。 (继承自 IMethodMessage) |
Properties |
获取表示消息属性集合的 IDictionary。 (继承自 IMessage) |
TypeName |
获取要将该调用发送到的特定对象的完整 Type 名称。 (继承自 IMethodMessage) |
Uri |
获取要将该调用发送到的特定对象的 URI。 (继承自 IMethodMessage) |
方法
GetArg(Int32) |
获取作为 Object 的特定参数。 (继承自 IMethodMessage) |
GetArgName(Int32) |
获取传递给该方法的参数的名称。 (继承自 IMethodMessage) |
GetInArg(Int32) |
返回未标记为 |
GetInArgName(Int32) |
返回未标记为 |