IMethodCallMessage.InArgCount Свойство
Определение
Важно!
Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.
Возвращает число аргументов в вызове, которые не помечены как параметры 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
Значение свойства
Число аргументов в вызове, которые не помечены как параметры out
.
- Атрибуты
Исключения
Непосредственно вызывающий объект вызывает интерфейс через ссылку и не имеет разрешения на использование инфраструктуры.
Примеры
В следующем примере кода показан пользовательский прокси-сервер, который переопределяет RealProxy.Invoke для записи сведений о сообщении вызова в консоль.
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