I am developing a project for BB. The application works with the network and sends / receives data via HTTP. Now I use the queue and queue manager. Manager starts with a background thread and works in
在C#中,当引用类型需要转换的时候,经常会用到关键字is、as以及显式强转。本篇来体验这三者的用法。先来梳理.NET引用类型转换的约定俗成,或者叫惯例:子类可以隐式转换为父类/基类,也就是里氏替换原则...