Mastering PowerBuilder

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ActiveX Controls

Microsoft Component Object Model (COM) is of client/server architecture, designed to allow components and applications to work together. OLE, which is based on COM, allows software components to interact with other applications that are based on OLE 2.0, such as Microsoft Word, Excel, and PowerPoint. ActiveX controls, formerly OCX controls, are also based upon OLE technology. This enables ActiveX controls to interact with Microsoft Office applications and other applications or software components based on OLE 2.0.

ActiveX controls are well suited for use on the WWW, because, they are smaller than OCX controls and can be downloaded quickly. As a result, you can use ActiveX controls to make your web pages more functional, interesting and interactive, without any unnecessary delays.

You don’t have to be a programmer to use ActiveX controls. All that remains to know is to understand how to use the <OBJECT> tag. It is explained in detail in later sections.
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