using Microsoft.UI.Xaml.Data; using System; namespace Harmonia.WinUI.Converters; public sealed partial class DoubleToPercentConverter : IValueConverter { public DoubleToPercentConverter() { } public object? Convert(object value, Type targetType, object parameter, string language) { if (value is not double doubleValue) return null; return Math.Round(doubleValue * 100) + "%"; } public object ConvertBack(object value, Type targetType, object parameter, string language) { throw new NotImplementedException(); } }