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22 lines
611 B
22 lines
611 B
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Apewer.Source
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{
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/// <summary>表示此属性对应的字段是主键。</summary>
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[AttributeUsage(AttributeTargets.Property)]
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public sealed class PrimaryKeyAttribute : Attribute
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{
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/// <summary>从 <see cref="PrimaryKeyAttribute"/> 到 Boolean 的隐式转换，判断 <see cref="PrimaryKeyAttribute"/> 有效。</summary>
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public static implicit operator bool(PrimaryKeyAttribute instance)
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{
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if (instance == null) return false;
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return true;
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}
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}
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}
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