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控制CAPSLOCK, NUMLOCK, SCRLOCK键的程序(The Example of controling CAPSLOCK, NUMLOCK, SCRLOCK)

The uploaded source code is a window based application for developing "Banking System" using Visual basic as front end and MS-Excel as back end. This project is an implementation of simple tasks that occur during transactions in a bank. Since it is in visual basic, it is very simple to understand.

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基于研华PCI-1710HG数据采集卡基于动态链接库的模拟量输入程序。用VC++6.0MFC实现。程序功能实现实时模式量值显示，绘制历史曲线及上下限报警指示。(Advantech PCI-1710HG-based data acquisition card is based on the dynamic link library analog input program. With VC++6.0MFC implementation. Program features to achieve real-time mode values ​ ​ displayed and plotted historical curve and lower limit alarm indication.)

简单实现临街资源互斥的使用，用四个全局变量实现互斥。(Simple resources to achieve mutually exclusive use of the street, with four global variables to achieve mutually exclusive.)

打字测试系统包含了对菜单,工具栏,任务栏,图标,数据库,文本文件等的操作源代码,特别适合初学者学习.(Typing test system consists of menus, toolbars, task bar, icons, databases, text files, and so the operation of the source code, especially for beginners.)

说明：  医药企业进销存管理系统！使用了DBGRID控件！(Pharmaceutical Enterprises Management Invoicing System! Use of Input Control!)

C and C++ in 5 days C and C++ in 5 days

利用MSComm控件实现字符型数据发送与接收(MSComm control to achieve the transmission and reception of character data)

使用wintab开发的例子，VB开发环境，经过验证可以(Wintab32.dll Demo in VB6 ReadMe notes ******************************************************* ******************************************************* A few notes on this before you play with it: 1) You cannot debug through much of the code! The reason for this is that the routine performs a Windows message hook for the window messages that normally go to the window. So when the user moves the mouse over a window, Windows generates all the messages and sends them to the window to respond. (examples are "MouseEnterWindow, MouseMove, MouseLeaveWindow"). Note these are different from the VB events which are similarly named but operate within VB, they are instead the actual messages Windows OS uses to respond. This is how windows does all of its GUI. Since a hook has been placed in the code, those messages go to the callback routine and thus get intercepted in the application. In debug, all code execution halts in the VB app. But windows keeps sending the messages to the cal)