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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
namespace MaterialDesignThemes.Wpf.Converters
{
public sealed class MathMultipleConverter : IMultiValueConverter
{
public MathOperation Operation { get; set; }
public object Convert(object[] value, Type targetType, object parameter, CultureInfo culture)
{
if (value == null || value.Length < 2 || value[0] == null || value[1] == null) return Binding.DoNothing;
if (!double.TryParse(value[0].ToString(), out double value1) || !double.TryParse(value[1].ToString(), out double value2))
return 0;
switch (Operation)
{
default:
// (case MathOperation.Add:)
return value1 + value2;
case MathOperation.Divide:
return value1 / value2;
case MathOperation.Multiply:
return value1 * value2;
case MathOperation.Subtract:
return value1 - value2;
}
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}
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