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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # Compiler Error CS0592 特性“attribute”對此聲明類型無效。它只對“type”聲明有效。 在定義特性時,可通過指定 AttributeTargets 值來定義可將該特性應用于什么構造。在下面的示例中,MyAttribute 特性只能應用于接口,因為 AttributeUsage 特性指定 AttributeTargets.Iterface。之所以會生成錯誤,原因是該特性應用于類(類 A)。 下面的示例生成 CS0592: ``` // CS0592.cs using System; [AttributeUsage(AttributeTargets.Interface)] public class MyAttribute : Attribute { } [MyAttribute] // Generates CS0592 because MyAttribute is not valid for a class. public class A { public static void Main() { } } ``` ## 請參閱 [特性(C# 和 Visual Basic)](https://msdn.microsoft.com/zh-cn/library/z0w1kczw.aspx)
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