34 lines
1.1 KiB
C#
34 lines
1.1 KiB
C#
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using System;
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using System.Globalization;
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using System.Windows.Data;
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namespace DMS.WPF.Converters
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{
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/// <summary>
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/// 可空 TimeSpan 到秒数字符串的双向转换器。
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/// 用于在 TextBox 和 TimeSpan? 之间进行转换。
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/// </summary>
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public class NullableTimeSpanToSecondsConverter : IValueConverter
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{
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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 TimeSpan timeSpan)
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{
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return timeSpan.TotalSeconds.ToString(CultureInfo.InvariantCulture);
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}
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return "";
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value is string str && !string.IsNullOrWhiteSpace(str))
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{
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if (double.TryParse(str, NumberStyles.Float, CultureInfo.InvariantCulture, out double seconds))
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{
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return TimeSpan.FromSeconds(seconds);
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}
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}
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return null; // Return null for invalid or empty input
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}
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}
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}
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