FileStream.EndWrite メソッド
アセンブリ: mscorlib (mscorlib.dll 内)



EndWrite は、BeginWrite からの各 IAsyncResult ごとに必ず一度呼び出す必要があります。EndWrite は I/O 操作が完了するまでブロックします。
その他の一般的な I/O タスクまたは関連する I/O タスクの例を次の表に示します。
File.AppendText FileInfo.AppendText | |
File.Move FileInfo.MoveTo | |
File.Copy FileInfo.CopyTo | |
FileInfo.Length | |
File.GetAttributes | |
File.SetAttributes | |
Directory.CreateDirectory Directory.CreateDirectory |

次のコード例は、FileStream(String,FileMode,FileAccess,FileShare,Int32,Boolean) コンストラクタの例の一部です。
Private Shared Sub EndWriteCallback(asyncResult As IAsyncResult) Dim tempState As State = _ DirectCast(asyncResult.AsyncState, State) Dim fStream As FileStream = tempState.FStream fStream.EndWrite(asyncResult) ' Asynchronously read back the written data. fStream.Position = 0 asyncResult = fStream.BeginRead( _ tempState.ReadArray, 0 , tempState.ReadArray.Length, _ AddressOf EndReadCallback, tempState) ' Concurrently do other work, such as ' logging the write operation. End Sub
static void EndWriteCallback(IAsyncResult asyncResult) { State tempState = (State)asyncResult.AsyncState; FileStream fStream = tempState.FStream; fStream.EndWrite(asyncResult); // Asynchronously read back the written data. fStream.Position = 0; asyncResult = fStream.BeginRead( tempState.ReadArray, 0 , tempState.ReadArray.Length, new AsyncCallback(EndReadCallback), tempState); // Concurrently do other work, such as // logging the write operation. }
static void EndWriteCallback( IAsyncResult^ asyncResult ) { State^ tempState = dynamic_cast<State^>(asyncResult->AsyncState); FileStream^ fStream = tempState->FStream; fStream->EndWrite( asyncResult ); // Asynchronously read back the written data. fStream->Position = 0; asyncResult = fStream->BeginRead( tempState->ReadArray, 0, tempState->ReadArray->Length, gcnew AsyncCallback( &FStream::EndReadCallback ), tempState ); // Concurrently do other work, such as // logging the write operation. } };
static void EndWriteCallback(IAsyncResult asyncResult) { State tempState = ((State)(asyncResult.get_AsyncState())); FileStream fStream = tempState.get_FStream(); fStream.EndWrite(asyncResult); // Asynchronously read back the written data. fStream.set_Position(0); asyncResult = fStream.BeginRead(tempState.get_ReadArray(), 0, tempState.get_ReadArray().length , new AsyncCallback(EndReadCallback), tempState); // Concurrently do other work, such as // logging the write operation. } //EndWriteCallback

Windows 98, Windows 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
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