TypesChangedAttribute 类

This class is used to mark a class and indicate that the property types and or parameter types in this class were changed. When the compiler detects that a subclass does not have the right parameter or property types then the subclass will be automatically adjusted to preserved the types from the parent class.

[AttributeUsageAttribute(AttributeTargets.Class)]
 SEALED CLASS TypesChangedAttribute INHERIT Attribute

[AttributeUsageAttribute(AttributeTargets.Class)]
public sealed class TypesChangedAttribute : Attribute