C# Attribute

---

待补充

// 这是一个类（Attribute）
namespace System
{
    //
    // Summary:
    //     Represents the base class for custom attributes.
    [Serializable]
    [AttributeUsage(AttributeTargets.All, Inherited = true, AllowMultiple = false)]
    [ClassInterface(ClassInterfaceType.None)]
    [ComDefaultInterface(typeof(_Attribute))]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public abstract class Attribute : _Attribute