成绩管理系统，用VC实现对ACCESS数据库的操作，实现基本的成绩管理功能！...

二叉树的各种遍历。递归和非递归遍历以及层次遍历。-the binary tree traversal. And recursive and non- recursive traversal level traverse.

大家好，此源中我们将看到在 DBGrid 中使用的例子：

考勤系统.运行本系统时，登录界面要求输入系统的用户名和密码，此系统提供了两种类型的用户，一种是超级用户，具有执行所有功能的权限，另一种是签到用户，只具有签到功能，因此，这里提供了两个默认的用户名和密码，一个是超级用户，用户名为000，密码为000，另外一个是签到用户，用户名为111，密码为111。-Time and Attendance system. Operation of the system, the login screen for the importation of the system user name and password, the system provides two types of users, one is the super-user, with the implementation of all functions of the authority, another is a sign-user, only sign function, so, here are two default user name and password, a super-user, the user name 000, password 000, the other one is the sign user, the user name 111, password is 111.

数据连接程序放到数据库里，登陆发现新版本则下载.-data link procedures into databases, landing discover new version will download.

一个适用于书店的图书管理信息系统，包括各种统计分析、员工管理等-a bookstore in the library management information systems, including statistical analysis, staff management etc.

《数据结构与程序设计》书本所有源代码-" Data Structure and Program Design" books of all the source code

按照前序非递归遍历二叉树，递归法将二叉树的左右子树互换-In accordance with the pre-order traversal non-recursive binary tree, binary tree recursive method will swap the left and right subtree

非常好用的计算器，可以计算很多东西，包括一些简单函数的求解-very handy calculator that can calculate a lot of things, including some simple function of solution

此为刷卡器充值上位机软件，包括COM口检测各种无效卡显示，及其VB界面的各种设置。及其数据库的设置。麻雀虽小五脏俱全，对于学习VB的新手来说会很有帮助-This is the credit card recharge PC browser software, including COM port detected a variety of invalid card show, and the VB interface, various settings. And database settings. Sparrows are small is a fully-equipped for learning VB would be helpful for the novice

本系统为内部系统，帐户由管理员添加、管理； 分为两个组，User组和Boss组。Boss组的帐户可以发广播通知； 任意两个用户间可以互相通信； 数据库接口用DAO，网络通信用 CSocket+CSocketFile；-the system to internal system administrator account by adding, management; Divided into two groups, User Group and the Boss group. Boss Group accounts Broadcasting notice can be issued; Between any two users can communicate with each other; Using DAO Database Interface, Network Communication CSocket CSocketFile;