书中主要包含了多文档编辑器、方块游戏、音乐播放器、数据管理系统、局域网聊天工具等5个综合性实例和Qt Quick的内容。-The book consists mainly of multi-document editor, five comprehensive examples of the box games, music player, data management systems, local area network chat tool and Qt Quick content.

使用qt4编写系统界面，包括自定义对话框、加入主程序、Qt内建(built-in)对话框等-Use qt4 writing system interface, including custom dialog box, add the main program, Qt built (built-in) dialog boxes, etc.