/// <summary> /// /// </summary> /// <param name="kojin"></param> /// <returns></returns> private int getDisplayNumber(Kojin kojin) { if (this.displayNumberRadioBtn1.Checked) { return 10; } if (this.displayNumberRadioBtn2.Checked) { return 20; } if (this.displayNumberRadioBtn3.Checked) { return 30; } return 0; }