MessageFilter 构造函数
定义
在派生类中调用时,初始化 MessageFilter 类的新实例。When called in a derived class, initializes a new instance of the MessageFilter class.
protected:
MessageFilter();
protected MessageFilter ();
Protected Sub New ()
注解
构造函数受保护,因此只有从 MessageFilter 派生的筛选器可以被实例化。The constructor is protected so that only filters that derive from MessageFilter can be instantiated.