or on the Print and Print Preview function

在工业生产控制系统中，有许多需要定时完成的操作，如定时显示当前时间，定时刷新屏幕上的进度条，上位 机定时向下位机发送命令和传送数据等。特别是在对控制性能要求较高的实时控制系统和数据采集系统中，就更需要精确定时操作。-in industrial production control system, there are many needs time to complete the operation, such as the timing shows the current time, regularly updated progress on the screen of the PC regular crew sent down orders and transmit data. Especially in the control of the high performance requirements of real-time control system and data acquisition system, the need for more precision timing operation.

windows自带的api存在问题，微软自己的文档都说在磁盘访问频繁的情况下，初始分配的定额缓冲区会溢出，造成部分磁盘访问不能监视，就是readdirectorychangesw这个函数存在问题，本类很好的解决了这个问题。-windows built-in api problems, Microsoft

two consenting programs can directly communicate under Windows NT using the WM_COPYDATA message

使用vc/c++编写，记事本功能，并且添加关机，重新启动，注销功能。-Use vc/c++ Prepared Notepad features, and add a shutdown, restart, write-off function.

该代码实现的主要是文件拖放功能，其可以将一个文件拖入到对话框直接运行！包含详细的代码。-The code to achieve the main drag and drop the document function, which can drag a file directly to the dialog box to run! Contains a detailed code.

一个桌面涂鸦的小程序-Spray-painted on a desktop applets

该程序主要是对系统进程显示,并对进程使用内存进行监控-The program is displayed on the system process, and the process of monitoring the use of memory

动态链接库的制作和调用 C++Builder4编写动态链接库的例子。-DLL production and the use of C Builder4 prepared DLL example.

VB与VC混合编程中处理消息的方法(带部分源代码)-VB and VC mixed news programming processing methods (with source code)

md5文件加密码的VB/ASP代码，大家可以看一下-md5 password document VB/ASP code, we can look at