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```cs //================ // Lamda //================ List strlist = new List() { "a", "b", "c" }; var result1 = strlist.Where(n => n == "c");

var result2 = strlist .Where(n => n == "c") .Select(n => "'" + n + "'");

//========================== //   enum を foreachで回す //==========================

region Enum定義

///

/// 条件 /// enum Signal : int { Red = 0, Yellow = 1, Blue = 2 } Dictionary _signalDict = new Dictionary() { {(int)Signal.Red , "赤"}, {(int)Signal.Yellow, "黄色"}, {(int)Signal.Blue , "青" + Environment.NewLine + "と緑"}, };

endregion

//-----< enum を foreachで回す >----- foreach (int r in Enum.GetValues(typeof(Signal))) { var t = new RadioButton(); t.Name = "enumRadioButton_" + r;

var b = new TextBlock();
b.Text = _signalDict[r];
b.TextWrapping = TextWrapping.Wrap;
t.Content = b;

t.Tag = r;

}

//============================= //  リストの中身を値渡しでコピー //=============================

//コンストラクタの第一引数に、コピー元を渡す。 myList01 = new List(myList02);

//============================= //   enumをエレメントのタグにぶち込み、イベントの発生元として検知 //============================= enum signalDict : int { Red = 0, Blue = 1, Yello = 2 }

t.Click += (sender, e) => buttonA_Clicked(sender);

private void buttonA_Clicked(object sender) {

if ((signalDict)((CheckBox)sender).Tag == signalDict.Blue)
{
    Console.WriteLine("aaaa");
}

}

//========================== //   遅延バインディング //========================== dynamic testobj; testobj = DateTime.Now; Console.WriteLine(testobj.Month + "月");

//========================== //  デバッグ用ログインユーザ //========================== public SystemUserLoginWindow() { InitializeComponent();

if DEBUG

        this.textboxUserId.Text = "TestUser";
        this.textboxLoginId.Text = "1";
        this.passwordBoxLoginPassword.Password = "1";

endif

    }

'''