Welcome to the Software Toolbox Tehcnical Expertise Center (TEC).  It is our place to share  referance materials for Industrial Software

Active X What is it ?

For an industrial example, take a look at the ActiveX Control at the right, a PLC communications driver ActiveX control.  You have to admit, if you know anything about PLC communications, the interface names used are pretty intuitive.  In general, ActiveX controls are not separate applications.  They are used inside of some other application such as Excel97, Visual Basic, an HMI package, or an Internet browser.  The application that the ActiveX control plugs into is called the container application.  The container application and the ActiveX control interact through the standard property, method,and event interfaces described above.


So the next time you're looking at doing a software application, keep ActiveX controls in mind. They could save you hundreds of hours of work by allowing you to purchase at an affordable price a software module that someone else developed and easily interface to the module using a standard interface.







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