计算机视觉

COM――到底是什么？――COM标准的要点介绍，它被设计用来解决什么问题 基本元素的定义――COM术语以及这些术语的含义 使用和处理COM对象――如何创建、使用和销毁COM对象 基本接口――描述IUnknown基本接口及其方法 掌握串的处理――在COM代码中如何处理串 应用COM技术――例子代码，举例说明本文所讨论的所有概念 处理HRESULT――HRESULT类型描述，如何监测错误及成功代码 -COM- What is in the end?- COM introduce the main points of the standard, which was designed to solve the problem of the basic elements of what the definition of- COM terminology and the meaning of these terms of use and handling of COM objects- how to create, use and destruction of the basic interface COM object- described IUnknown the basic interface and its methods of treatment have strings- in the COM code string of the application of how to deal with COM technology- examples of code, examples discussed in this article all deal with the concept of HRESULT- HRESULT type description, how to monitor the errors and the success of the code

NTGraph2d的控件原码,用于数据2维显示,请参考NTGraph2d的例子学习使用,我都上传了-NTGraph2d control of the original code for the two-dimensional data, please refer to the examples NTGraph2d learning, I have uploaded

s7-200 PLC PC/PPI通信控件-s670-200 PLC PC/PPI Communication Control

OPC 是一种利用微软的 COM/DCOM 技术来达成自动化控制的协议。它包括DA(数据采集)和AE(事件和警报)两种服务。本源码正是DA接口的客户端实现。功能完整，成熟且稳定。有了这一个，您就可以把其它类似的仍进垃圾筒里了。-OPC is a use Microsoft

一个虚拟仪表控件，随着时间指针移动，可以显示速度，角度，电压等，很实用，对做控制监控系统有很大帮助-a Virtual Instrument Control, as the target time for Mobile can demonstrate that the speed, angle, voltage, very practical, to do control monitoring system is very helpful

Common Interface Hardware Inside-Common Interface Hardware Inside

active x active x -active x active xactive x

易于入门者学习VC++，编写小游戏的第一部分，怎样显示出一个人物。-Easy to learn beginners VC++, The preparation of the first part of game and how to show a character.

一个模拟管道流动的ACTIVEX控件-a simulated pipeline flow ACTIVEX control

这是一个自定义热键面版控件，各函数功能都有详细的注释。-This is a self-defined hotkey version control, the Function have detailed comments.