15 lines
472 B
C#
15 lines
472 B
C#
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using System.Globalization;
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using System.Windows.Controls;
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namespace Szmedi.Toolkit.Assists
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{
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public class DoubleValidationRule : ValidationRule
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{
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public override ValidationResult Validate(object value, CultureInfo cultureInfo)
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{
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return double.TryParse((value ?? string.Empty).ToString(), out _)
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? ValidationResult.ValidResult
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: new ValidationResult(false, "输入数值有误。");
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}
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}
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}
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