IMethodCallMessage.InArgCount Eigenschap
Definitie
Belangrijk
Bepaalde informatie heeft betrekking op een voorlopige productversie die aanzienlijk kan worden gewijzigd voordat deze wordt uitgebracht. Microsoft biedt geen enkele expliciete of impliciete garanties met betrekking tot de informatie die hier wordt verstrekt.
Hiermee haalt u het aantal argumenten op in de aanroep die niet als parameters zijn gemarkeerd out .
public:
property int InArgCount { int get(); };
public int InArgCount { get; }
public int InArgCount { [System.Security.SecurityCritical] get; }
member this.InArgCount : int
[<get: System.Security.SecurityCritical>]
member this.InArgCount : int
Public ReadOnly Property InArgCount As Integer
Waarde van eigenschap
Het aantal argumenten in de aanroep dat niet als out parameters is gemarkeerd.
- Kenmerken
Uitzonderingen
De directe beller voert de aanroep uit via een verwijzing naar de interface en heeft geen infrastructuurmachtiging.
Voorbeelden
De volgende voorbeeldcode toont een aangepaste proxy die RealProxy.Invoke overschrijft om de oproepberichtgegevens naar de console te schrijven.
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;
}
};
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;
}
}
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