using System.Collections.Generic; using System.Linq; namespace Wizard; public class PracticeAISettingDataSet { private List _dataTable; public PracticeAISettingDataSet() { _dataTable = new List(); } public PracticeAISettingData GetSettingData(int classId, int difficulty) { return _dataTable.First((PracticeAISettingData d) => d.ClassId == classId && d.Difficulty == difficulty); } }