Languages and Tools
QuickOPC is specifically designed with broad language and tool interoperability in mind, allowing you to develop an OPC client in a wide range of languages.
In COM development, Visual Basic (VB, VB6), C/C++, VBScript (e.g. in ASP, or Windows Script Host), JScript, Perl, PHP, Python, Visual Basic for Applications (VBA, e.g. in Excel), Visual FoxPro (VFP), Delphi (Object Pascal), Free Pascal (Lazarus), REAL Studio (REALbasic, now XoJo), Xbase (Xbase++), T-SQL (SQL Server), PowerBuilder (using PowerScript language) and other tools can be used for OPC client creation.
Footnote & required disclosure: QuickOPC (including its Options) is a software development kit (SDK) for development of OPC clients. Installing QuickOPC or its Options does not change system settings.