如何确定一类装饰有特定属性 [英] How to determine if a class is decorated with a specific attribute

问题描述

我想，以确定是否接口，装饰有一个特定的属性。例如，我有以下接口：

I'm trying to determine if a interface is decorated with a specific attribute. For example, I have the following interface:

<MyCustomAttribute()> _
Public Interface IMyInterface
    Function Function1
    Sub DeleteWorkflowInstanceMap(ByVal instanceId As Guid)
    Sub InsertWorkflowInstanceMap(ByVal instanceId As Guid, ByVal aliasName As String)
End Interface

我如何确定是否IMyInterface的装饰与MyCustomAttribute属性？

How do I determine if IMyInterface is decorated with the MyCustomAttribute attribute?

推荐答案

甚至比 GetCustomAttributes 更是共享的方法 IsDefined ：

Even better than GetCustomAttributes is the Shared method IsDefined:

Attribute.IsDefined(GetType(IMyInterface), GetType(MyCustomAttribute))

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