14 lines
439 B
C#
14 lines
439 B
C#
using System.Globalization;
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using System.Windows.Controls;
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namespace Szmedi.Toolkit.Revit.Assists;
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public class NotEmptyValidationRule : 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 string.IsNullOrWhiteSpace((value ?? string.Empty).ToString())
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? new ValidationResult(false, "不能为空。")
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: ValidationResult.ValidResult;
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}
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} |