51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
using System;
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using System.Globalization;
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using System.Linq;
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using System.Windows.Data;
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using System.Windows.Markup;
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namespace AntDesign.WPF.Converters;
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public sealed class MathMultiConverter : MarkupExtension, IMultiValueConverter
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{
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public MathOperation Operation { get; set; }
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public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
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{
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try
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{
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double value1 = System.Convert.ToDouble(values[0], CultureInfo.InvariantCulture);
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double value2 = System.Convert.ToDouble(values[1], CultureInfo.InvariantCulture);
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switch (Operation)
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{
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case MathOperation.Add:
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return value1 + value2;
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case MathOperation.Divide:
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return value1 / value2;
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case MathOperation.Multiply:
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return value1 * value2;
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case MathOperation.Subtract:
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return value1 - value2;
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case MathOperation.Pow:
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return Math.Pow(value1, value2);
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default:
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return Binding.DoNothing;
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}
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}
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catch (FormatException)
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{
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return Binding.DoNothing;
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}
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}
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public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException();
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}
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public override object ProvideValue(IServiceProvider serviceProvider)
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{
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return this;
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}
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}
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