18 lines
666 B
C#
18 lines
666 B
C#
using System.ComponentModel.DataAnnotations;
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using ShrlAlgoToolkit.RevitAddins.Common.Attributes;
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using ShrlAlgoToolkit;
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using ShrlAlgoToolkit.RevitAddins;
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namespace ShrlAlgoToolkit.RevitAddins.Common.Attributes;
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[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter)]
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public sealed class NotNullOrEmptyAttribute : ValidationAttribute
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{
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protected override ValidationResult IsValid(object value, ValidationContext validationContext)
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{
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var b = value != null || (value is string str && !string.IsNullOrEmpty(str));
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return b ? ValidationResult.Success : new("输入内容不是数值。");
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}
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}
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