BililiveRecorder/BililiveRecorder.WPF/Converters/RatioToArrowIconConverter.cs
2021-02-23 18:03:37 +08:00

22 lines
1.2 KiB
C#

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace BililiveRecorder.WPF.Converters
{
public class RatioToArrowIconConverter : DependencyObject, IValueConverter
{
public static readonly DependencyProperty UpArrowProperty = DependencyProperty.Register(nameof(UpArrow), typeof(object), typeof(BoolToValueConverter), new PropertyMetadata(null));
public static readonly DependencyProperty DownArrowProperty = DependencyProperty.Register(nameof(DownArrow), typeof(object), typeof(BoolToValueConverter), new PropertyMetadata(null));
public object UpArrow { get => this.GetValue(UpArrowProperty); set => this.SetValue(UpArrowProperty, value); }
public object DownArrow { get => this.GetValue(DownArrowProperty); set => this.SetValue(DownArrowProperty, value); }
public object Convert(object value, Type targetType, object parameter, CultureInfo culture) =>
value is double num ? num < 0.97 ? this.DownArrow : num > 1.03 ? this.UpArrow : null : null;
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => throw new NotImplementedException();
}
}