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Turbo Vision is a DOS-based character-mode text user interface (TUI) framework developed around 1990 by Borland for Pascal, and C++. Later it was deprecated in favor of Object Windows Library for the then-increasingly important Win16 API. The Turbo Vision framework was included with Borland Pascal, Turbo Pascal, and Borland C++. It was used by Borland itself to write the integrated development environments (IDE) for these programming languages. By default, Turbo Vision applications replicate the look and feel of these IDEs. Key parts of the Turbo Vision library replicate the functionality of standard components in Microsoft Windows, for example edit controls, list boxes, check boxes, radio buttons and menus, all of which have built-in mouse support. Around 1997, the C++ version, including source code, was released by Borland into the public domain and is currently being ported and developed by an (open-source community ), under the GPL license. An older update of the Borland code by Sergio Sigala is available under the BSD license. The Pascal version, which was distributed alongside Borland Pascal 7 on a "bonus" disk, was never released under a free license, so the Free Pascal project recreated its own version by backporting a clone made by Leon de Boer that ran in graphical mode back to textmode. The result is called (Free Vision ). Over the years this codebase has grown stable on nearly all operating systems and architectures that FPC supports. The textmode IDE is very close to the original TP environment, with built-in compiler and IDE much closer than e.g. RHIDE, and supporting functionality like code folding. == See also == * Box-drawing characters 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turbo Vision」の詳細全文を読む スポンサード リンク
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