public async Task <int> OnExecuteAsync(CancellationToken ct)
            {
                ExecuteStarted.TrySetResult(null);
                Token = ct;
                var tcs = new TaskCompletionSource <object?>();

                ct.Register(() => tcs.TrySetResult(null));
                await tcs.Task;

                return(4);
            }
Ejemplo n.º 2
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 /// <summary>
 /// 変換開始イベントを実行する
 /// </summary>
 /// <param name="sender">イベント呼び出し元オブジェクト</param>
 /// <param name="e">e</param>
 private void Command_ExecuteStarted(object sender, EventArgs e) => ExecuteStarted?.Invoke(this, new EventArgs());