Auldfart's How To Guides
DLL - DRV - OCX Files What is a DLL file? A DLL provides one or more particular functions and a program accesses the functions by creating either a static or dynamic link to the DLL. A static link remains constant during program execution while a dynamic link is created by the program as needed. DLLs can also contain just
data. DLL files usually end with the extension .dll,.exe., drv, or .fon.
What is a DRV file?
The driver contains the special knowledge of the device or special software
interface that programs using the driver do not. In personal computers, a driver
is often packaged as a dynamic link library (DLL) file. What is an OCX file? OCX controls represent
Microsoft's second generation of control architecture, the first being VBX
controls written in Visual Basic.
However, ActiveX is backward compatible with OCX controls, which means that
ActiveX containers, such as Microsoft's Internet Explorer, can execute OCX
components.
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