Visual Component Library
<programming> VCL A application framework library for Microsoft Windows
and Borland Software Corp.'s Delphi and C++Builder rapid application development
software. VCL was originally designed for Delphi but is now also used for
C++Builder. This replaces OWL Object Windows Library as Borland's Windows C++
framework of choice. VCL encapsulates the C-based Win32 API into a much easier
to use, object-oriented form. Like its direct rival, Microsoft Foundation Class
Library (MFC), VCL includes classes to create Windows programs.
The VCL component class can be inherited to create new VCL components, which are
the building blocks of Delphi and C++Builder applications. VCL components are
somewhat in competition with ActiveX controls, though a VCL wrapper can be
created to make an ActiveX control seem like a VCL component.
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(2001-07-09)
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