LogicalMethodInfo::EndInvoke Method (Object^, IAsyncResult^)

 

Ends an asynchronous invocation of the method represented by the current LogicalMethodInfo.

Namespace:   System.Web.Services.Protocols
Assembly:  System.Web.Services (in System.Web.Services.dll)

public:
[PermissionSetAttribute(SecurityAction::LinkDemand, Name = "FullTrust")]
array<Object^>^ EndInvoke(
	Object^ target,
	IAsyncResult^ asyncResult
)

Parameters

target
Type: System::Object^

The instance of the Object on which to invoke the method.

asyncResult
Type: System::IAsyncResult^

The IAsyncResult returned from BeginInvoke.

Return Value

Type: array<System::Object^>^

An array of objects containing the return value and any by-reference or out parameters of the derived class method.

Exception Condition
TargetException

The target parameter is null.

MemberAccessException

The caller does not have permission to invoke the method.

TargetInvocationException

The invoked method throws an exception.

public:
   [PermissionSet(SecurityAction::Demand, Name="FullTrust")]
   static void main()
   {
      // Get the type information.
      // Note: The MyMath class is a proxy class generated by the Wsdl.exe
      // utility for the Math Web service. This class can also be found in
      // the SoapHttpClientProtocol class example.
      Type^ myType = MyMath::MyMath::typeid;

      // Get the method info.
      MethodInfo^ myBeginMethod = myType->GetMethod( "BeginAdd" );
      MethodInfo^ myEndMethod = myType->GetMethod( "EndAdd" );

      // Create an instance of the LogicalMethodInfo class.
      array<MethodInfo^>^ temp0 = { myBeginMethod, myEndMethod };
      LogicalMethodInfo^ myLogicalMethodInfo =
         ( LogicalMethodInfo::Create( temp0, LogicalMethodTypes::Async ) )[ 0 ];

      // Get an instance of the proxy class.
      MyMath::MyMath^ myMathService = gcnew MyMath::MyMath;

      // Call the MyEndIntimationMethod method to intimate the end of
      // the asynchronous call.
      AsyncCallback^ myAsyncCallback = gcnew AsyncCallback( MyEndIntimationMethod );

      // Begin to invoke the Add method.
      array<Object^>^ temp1 = { 10, 10 };
      IAsyncResult^ myAsyncResult = myLogicalMethodInfo->BeginInvoke(
         myMathService, temp1, myAsyncCallback, nullptr );

      // Wait until invoke is complete.
      myAsyncResult->AsyncWaitHandle->WaitOne();

      // Get the result.
      array<Object^>^ myReturnValue;
      myReturnValue = myLogicalMethodInfo->EndInvoke( myMathService, myAsyncResult );

      Console::WriteLine( "Sum of 10 and 10 is {0}", myReturnValue[ 0 ] );
   }

   // This method will be called at the end of the asynchronous call.
   static void MyEndIntimationMethod( IAsyncResult^ /*Result*/ )
   {
      Console::WriteLine( "Asynchronous call on Add method finished." );
   }

.NET Framework
Available since 1.1
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