LogicalMethodInfo.AsyncStateParameter 속성
정의
중요
일부 정보는 릴리스되기 전에 상당 부분 수정될 수 있는 시험판 제품과 관련이 있습니다. Microsoft는 여기에 제공된 정보에 대해 어떠한 명시적이거나 묵시적인 보증도 하지 않습니다.
비동기 호출에서 AsyncState 메서드의 Begin 매개 변수에 대한 매개 변수 정보를 가져옵니다.
public:
property System::Reflection::ParameterInfo ^ AsyncStateParameter { System::Reflection::ParameterInfo ^ get(); };
public System.Reflection.ParameterInfo AsyncStateParameter { get; }
member this.AsyncStateParameter : System.Reflection.ParameterInfo
Public ReadOnly Property AsyncStateParameter As ParameterInfo
속성 값
ParameterInfo 비동기 호출에서 메서드의 AsyncState 매개 변수를 나타내는 Begin 값입니다.
예제
#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 );
}
using System;
using System.Reflection;
using System.Web.Services.Protocols;
public class MyService : SoapHttpClientProtocol
{
public IAsyncResult BeginAdd(int xValue, int yValue,
AsyncCallback callback,
object asyncState)
{
return this.BeginInvoke("Add", new object[] {xValue,yValue}, callback, asyncState);
}
public int EndAdd(System.IAsyncResult asyncResult)
{
object[] results = this.EndInvoke(asyncResult);
return ((int)(results[0]));
}
}
public class LogicalMethodInfo_Create
{
public static void Main()
{
Type myType = typeof(MyService);
MethodInfo myBeginMethod = myType.GetMethod("BeginAdd");
MethodInfo myEndMethod = myType.GetMethod("EndAdd");
LogicalMethodInfo myLogicalMethodInfo =
(LogicalMethodInfo.Create(new MethodInfo[] { myBeginMethod,
myEndMethod },
LogicalMethodTypes.Async))[0];
Console.WriteLine("\nThe asynchronous callback parameter of method {0} is :\n",
myLogicalMethodInfo.Name);
Console.WriteLine("\t" + myLogicalMethodInfo.AsyncCallbackParameter.Name +
" : " + myLogicalMethodInfo.AsyncCallbackParameter.ParameterType);
Console.WriteLine("\nThe asynchronous state parameter of method {0} is :\n",
myLogicalMethodInfo.Name);
Console.WriteLine("\t" + myLogicalMethodInfo.AsyncStateParameter.Name +
" : " + myLogicalMethodInfo.AsyncStateParameter.ParameterType);
Console.WriteLine("\nThe asynchronous result parameter of method {0} is :\n",
myLogicalMethodInfo.Name);
Console.WriteLine("\t" + myLogicalMethodInfo.AsyncResultParameter.Name +
" : " + myLogicalMethodInfo.AsyncResultParameter.ParameterType);
Console.WriteLine("\nThe begin method of the asynchronous method {0} is :\n",
myLogicalMethodInfo.Name);
Console.WriteLine("\t" + myLogicalMethodInfo.BeginMethodInfo);
Console.WriteLine("\nThe end method of the asynchronous method {0} is :\n",
myLogicalMethodInfo.Name);
Console.WriteLine("\t" + myLogicalMethodInfo.EndMethodInfo);
if(myLogicalMethodInfo.IsAsync)
Console.WriteLine("\n{0} is asynchronous", myLogicalMethodInfo.Name);
else
Console.WriteLine("\n{0} is synchronous", myLogicalMethodInfo.Name);
}
}
Imports System.Reflection
Imports System.Web.Services.Protocols
Public Class MyService
Inherits SoapHttpClientProtocol
Public Function BeginAdd _
(xValue As Integer, yValue As Integer, callback As AsyncCallback, asyncState As Object) _
As IAsyncResult
Return Me.BeginInvoke("Add", New Object() {xValue, yValue}, callback, asyncState)
End Function 'BeginAdd
Public Function EndAdd(asyncResult As System.IAsyncResult) As Integer
Dim results As Object() = Me.EndInvoke(asyncResult)
Return CInt(results(0))
End Function 'EndAdd
End Class
Public Class LogicalMethodInfo_Create
Public Shared Sub Main()
Dim myType As Type = GetType(MyService)
Dim myBeginMethod As MethodInfo = myType.GetMethod("BeginAdd")
Dim myEndMethod As MethodInfo = myType.GetMethod("EndAdd")
Dim myLogicalMethodInfo As LogicalMethodInfo = _
LogicalMethodInfo.Create(New MethodInfo() _
{myBeginMethod, myEndMethod}, LogicalMethodTypes.Async)(0)
Console.WriteLine _
(ControlChars.Newline + "The asynchronous callback parameter of method {0} is :" + _
ControlChars.Newline, myLogicalMethodInfo.Name)
Console.WriteLine _
(ControlChars.Tab + myLogicalMethodInfo.AsyncCallbackParameter.Name + " : " + _
myLogicalMethodInfo.AsyncCallbackParameter.ParameterType.ToString())
Console.WriteLine _
(ControlChars.Newline + "The asynchronous state parameter of method {0} is :" + _
ControlChars.Newline, myLogicalMethodInfo.Name)
Console.WriteLine _
(ControlChars.Tab + myLogicalMethodInfo.AsyncStateParameter.Name + " : " + _
myLogicalMethodInfo.AsyncStateParameter.ParameterType.ToString())
Console.WriteLine _
(ControlChars.Newline + "The asynchronous result parameter of method {0} is :" + _
ControlChars.Newline, myLogicalMethodInfo.Name)
Console.WriteLine _
(ControlChars.Tab + myLogicalMethodInfo.AsyncResultParameter.Name + " : " + _
myLogicalMethodInfo.AsyncResultParameter.ParameterType.ToString())
Console.WriteLine _
(ControlChars.Newline + "The begin method of the asynchronous method {0} is :" + _
ControlChars.Newline, myLogicalMethodInfo.Name)
Console.WriteLine(ControlChars.Tab + myLogicalMethodInfo.BeginMethodInfo.ToString())
Console.WriteLine _
(ControlChars.Newline + "The end method of the asynchronous method {0} is :" + _
ControlChars.Newline, myLogicalMethodInfo.Name)
Console.WriteLine(ControlChars.Tab + myLogicalMethodInfo.EndMethodInfo.ToString())
If myLogicalMethodInfo.IsAsync Then
Console.WriteLine(ControlChars.Newline + "{0} is asynchronous", myLogicalMethodInfo.Name)
Else
Console.WriteLine(ControlChars.Newline + "{0} is synchronous", myLogicalMethodInfo.Name)
End If
End Sub
End Class
설명
공용 언어 런타임의 비동기 디자인 패턴에는 비동기 메서드 호출을 시작하는 메서드와 Begin 호출을 완료하는 메서드를 호출 End 하는 작업이 포함됩니다. 메서드는 Begin 메서드의 동기 버전에서 정의한 매개 변수 외에 대리자를 저장하는 매개 변수와 대리자에게 전달해야 하는 상태 정보를 저장하는 매개 변수 외에 두 개의 추가 매개 변수를 사용합니다. 이 속성은 대리자로 전달해야 하는 상태 정보를 나타냅니다.
XML 웹 서비스를 비동기적으로 호출하는 방법에 대한 자세한 내용은 XML Web Services와 비동기적으로 통신을 참조하세요.