namespace HistoryView.Converters; internal class IAlarmLastConverter : IValueConverter { public object? Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (parameter is null) return default; if (value is not IEnumerable enums) return default; AlarmInfo? alarm = enums.LastOrDefault(); if (alarm is null) return default; return parameter switch { "ChannelName" => alarm.ChannelName, "AlarmChannel" => alarm.AlarmChannel, "AlarmMini8" => alarm.AlarmMini8, "AlarmLevel" => alarm.AlarmLevel, "AlarmDetail" => alarm.AlarmDetail, "Date" => alarm.EventTime.ToString("yyyy-MM-dd"), "Time" => alarm.EventTime.ToString("HH:mm:ss"), _ => default }; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } }