在衍生类别中覆写时，会提供一种特定型别的方式来呼叫事件处理常式，透过基底实作增进效率。
When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation.
在衍生类别中覆写时，会提供一种特定型别的方式来呼叫事件处理常式，透过基底实作增进效率。
When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation.
应用推荐