39 lines
1.1 KiB
C#
39 lines
1.1 KiB
C#
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.Data;
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namespace ATS.Converters
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{
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public class HexConverter : IValueConverter
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{
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// 显示时：int → hex 字符串
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value is int i)
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return $"0x{i:X}"; // 例如 255 → 0xFF
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return "0x0";
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}
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// 用户输入时：hex 字符串 → int
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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var str = value?.ToString()?.Trim();
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if (string.IsNullOrWhiteSpace(str))
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return 0;
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if (str.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
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str = str.Substring(2);
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if (int.TryParse(str, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out int result))
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return result;
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return 0; // 或 return DependencyProperty.UnsetValue;
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}
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}
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}
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