36 lines
1.1 KiB
C#
36 lines
1.1 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Data;
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namespace BallanceTasEditor.Converters {
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[ValueConversion(typeof(int?), typeof(string))]
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public class StringifyIntegerConverter : IValueConverter {
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public static StringifyIntegerConverter Instance = new StringifyIntegerConverter();
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
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if (value is null) {
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return "";
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} else if (value is int iv) {
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return iv.ToString();
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} else {
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return DependencyProperty.UnsetValue;
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}
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
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if (value is string s) {
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if (int.TryParse(s, out int iv)) return iv;
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else return null;
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} else {
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return DependencyProperty.UnsetValue;
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}
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}
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}
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}
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