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应老师要求做的VB课后练习内容，这是第二个实验内容。(This is the second test.)

本程序为激光切割机的源代码，编程环境为VC++6.0.(This procedure for the laser cutting machine of the source code, programming environment for VC++6.0.)

在对话框中，使用VB6获取系统精确时钟数的简单小程序(in the dialog box, use VB6 acquisition system precision clock small number of simple procedures)

哈夫曼树编码,利用哈夫曼树算法实现对数据的压缩,很好,不错(Huffman tree coding, using Huffman tree algorithm to achieve data compression, good, good)

VB是设计用于创建标准的应用程序,而VBA是使已有的应用程序(EXCEL等)自动化 VBA应用技巧代码 第5章(VB is designed to create a standard application, and VBA is to make existing applications (EXCEL, etc.) automation application skills VBA Code Chapter 5)

问题描述 完成一小型程序，实现对仓库内存储货物的移动的管理，即实现货物的增 添、删除、移动和查询等操作以及相应结果的显示，查询应能按不同的数据项进行。 需求分析 （1）提供从文本文件导入和从界面输如信息两种方式供用户选择来创建新的物资记录。 （2）插入记录的时候需要检测物资编号是否存在，若存在，需要提醒用户该记录已经存在。 （3）查询物资记录时提供不同的路径供用户选择：按编号查询，按名称查询。 (Description of the problem to complete a small program, to realize the movement of goods inside the warehouse storage management, namely, the achievement of goods to add, delete, move, and querying operations and the corresponding results are displayed, the query should be able to different data items. Needs Analysis (1) to import from text files to and from the input interface, such as information in two ways for users to choose to create a new material recorded. (2) into the record when the need to detect whether the serial number of materials exist, if it exists, need to remind the user the record already exists. (3) query records of materials to provide different paths for users to select: by number query, query by name.)

组件属性窗口控件示列,完全可实现属性页的显示(Component Properties window showing the control bar, full-page display to achieve the properties)

扫描系统的所有进程，并可选择的删除不想运行的进程(scanning system in all processes and can choose not to delete the operation of the process! !)

MifareOne读写例子,通过串口控制MifareOne射频卡的读写数据的VC++例程。调试通过。(MifareOne literacy example, through the serial control VC++ routine MifareOne RF card reader data. Debugging through.)

二叉树的各类历遍算法的转换，包括前序，中序与后序。(binary tree transfer for students majoring in instruments.)