RTP PETIR138 In computer programming, a Visual Basic Extension (commonly abbreviated VBX) or custom control, was the component model used in Microsoft Visual Basic versions 1.0 to 3.0. It is still supported in the 16-bit version of version 4.0, but was made obsolete by OCXs. The VBX specification was created so that developers could extend Visual Basic. VBX has also been supported in the first, 16-bit version of Borland Delphi.|Daftar Episode Kamen Rider Geats