LogicalMethodInfo.IsAsync Property

Gets a value indicating whether the method represented by the instance of LogicalMethodInfo is invoked asynchronously.

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

public:
property bool IsAsync {
	bool get ();
}
/** @property */
public boolean get_IsAsync ()

public function get IsAsync () : boolean

Not applicable.

Property Value

true if the method is invoked asynchronously; otherwise, false.

#using <System.dll>
#using <System.Web.dll>
#using <System.Web.Services.dll>
#using <System.Xml.dll>

using namespace System;
using namespace System::Reflection;
using namespace System::Web::Services::Protocols;

public ref class MyService: public SoapHttpClientProtocol
{
public:
   IAsyncResult^ BeginAdd( int xValue, int yValue, AsyncCallback^ callback, Object^ asyncState )
   {
      array<Object^>^temp0 = {xValue,yValue};
      return this->BeginInvoke( "Add", temp0, callback, asyncState );
   }

   int EndAdd( System::IAsyncResult^ asyncResult )
   {
      array<Object^>^results = this->EndInvoke( asyncResult );
      return  *dynamic_cast<int^>(results[ 0 ]);
   }
};

int main()
{
   Type^ myType = MyService::typeid;
   MethodInfo^ myBeginMethod = myType->GetMethod( "BeginAdd" );
   MethodInfo^ myEndMethod = myType->GetMethod( "EndAdd" );
   array<MethodInfo^>^temp0 = {myBeginMethod,myEndMethod};
   LogicalMethodInfo^ myLogicalMethodInfo = LogicalMethodInfo::Create( temp0, LogicalMethodTypes::Async )[ 0 ];
   Console::WriteLine( "\nThe asynchronous callback parameter of method {0} is :\n", myLogicalMethodInfo->Name );
   Console::WriteLine( "\t {0} : {1}", myLogicalMethodInfo->AsyncCallbackParameter->Name, myLogicalMethodInfo->AsyncCallbackParameter->ParameterType );
   Console::WriteLine( "\nThe asynchronous state parameter of method {0} is :\n", myLogicalMethodInfo->Name );
   Console::WriteLine( "\t {0} : {1}", myLogicalMethodInfo->AsyncStateParameter->Name, myLogicalMethodInfo->AsyncStateParameter->ParameterType );
   Console::WriteLine( "\nThe asynchronous result parameter of method {0} is :\n", myLogicalMethodInfo->Name );
   Console::WriteLine( "\t {0} : {1}", myLogicalMethodInfo->AsyncResultParameter->Name, myLogicalMethodInfo->AsyncResultParameter->ParameterType );
   Console::WriteLine( "\nThe begin method of the asynchronous method {0} is :\n", myLogicalMethodInfo->Name );
   Console::WriteLine( "\t {0}", myLogicalMethodInfo->BeginMethodInfo );
   Console::WriteLine( "\nThe end method of the asynchronous method {0} is :\n", myLogicalMethodInfo->Name );
   Console::WriteLine( "\t {0}", myLogicalMethodInfo->EndMethodInfo );
   if ( myLogicalMethodInfo->IsAsync )
      Console::WriteLine( "\n {0} is asynchronous", myLogicalMethodInfo->Name );
   else
      Console::WriteLine( "\n {0} is synchronous", myLogicalMethodInfo->Name );
}

import System.*;
import System.Reflection.*;
import System.Web.Services.Protocols.*;

public class MyService extends SoapHttpClientProtocol
{
    public IAsyncResult BeginAdd(int xValue, int yValue, AsyncCallback callback,
        Object asyncState)
    {
        return this.BeginInvoke("Add", new Object[] { (Int32)xValue, 
            (Int32)yValue }, callback, asyncState);
    } //BeginAdd

    public int EndAdd(System.IAsyncResult asyncResult)
    {
        Object results[] = this.EndInvoke(asyncResult);
        return Convert.ToInt32(results.get_Item(0));
    } //EndAdd
} //MyService

public class LogicalMethodInfo_Create
{
    public static void main(String[] args)
    {
        Type myType = MyService.class.ToType();
        MethodInfo myBeginMethod = myType.GetMethod("BeginAdd");
        MethodInfo myEndMethod = myType.GetMethod("EndAdd");
        LogicalMethodInfo myLogicalMethodInfo = 
            ((LogicalMethodInfo)((LogicalMethodInfo[])LogicalMethodInfo.
            Create(new MethodInfo[] { myBeginMethod, myEndMethod }, 
            LogicalMethodTypes.Async)).get_Item(0));

        Console.WriteLine("\nThe asynchronous callback parameter "
            + "of method {0} is :\n", myLogicalMethodInfo.get_Name());
        Console.WriteLine("\t" 
            + myLogicalMethodInfo.get_AsyncCallbackParameter().get_Name() 
            + " : " + myLogicalMethodInfo.get_AsyncCallbackParameter().
            get_ParameterType());

        Console.WriteLine("\nThe asynchronous state parameter "
            + "of method {0} is :\n", myLogicalMethodInfo.get_Name());
        Console.WriteLine("\t" 
            + myLogicalMethodInfo.get_AsyncStateParameter().get_Name() + " : " 
            + myLogicalMethodInfo.get_AsyncStateParameter().
            get_ParameterType());

        Console.WriteLine("\nThe asynchronous result parameter "
            + "of method {0} is :\n", myLogicalMethodInfo.get_Name());
        Console.WriteLine("\t" 
            + myLogicalMethodInfo.get_AsyncResultParameter().get_Name() + " : " 
            + myLogicalMethodInfo.get_AsyncResultParameter().
            get_ParameterType());

        Console.WriteLine("\nThe begin method of the asynchronous "
            + "method {0} is :\n", myLogicalMethodInfo.get_Name());
        Console.WriteLine("\t" + myLogicalMethodInfo.get_BeginMethodInfo());

        Console.WriteLine("\nThe end method of the asynchronous "
            + "method {0} is :\n", myLogicalMethodInfo.get_Name());
        Console.WriteLine("\t" + myLogicalMethodInfo.get_EndMethodInfo());

        if (myLogicalMethodInfo.get_IsAsync()) {
            Console.WriteLine("\n{0} is asynchronous", 
                myLogicalMethodInfo.get_Name());
        }
        else {
            Console.WriteLine("\n{0} is synchronous", 
                myLogicalMethodInfo.get_Name());
        }
    } //main
} //LogicalMethodInfo_Create

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

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