| 承载管理 | An API to control the system's connectivity state. |
| Qt 进程间通信 | Inter-Process communication in Qt applications. |
| 网络编程 | An Introduction to Network Programming with Qt |
| SSL (安全套接字层) 类 | Classes for secure communication over network sockets. |
| 序列化 Qt 数据类型 | Representations of data types that can be serialized by QDataStream. |
| Qt 资源系统 | A platform-independent mechanism for storing binary files in an application. |
