4 Named variables and user-defined functions.It has the ability to use (but not create) ( ActiveX/COM) DLLs, and later versions add support for class modules. VBA is functionally rich and flexible but it does have some important limitations, such as restricted support for function pointers which are used as callback functions in the Windows API.

The VBA IDE is reached from within an Office document by pressing the key sequence F11. For example, it is used to automatically create a Word report from Excel data, in turn automatically collected by Excel from polled observation sensors.

It can, however, be used to control one application from another using OLE Automation. VBA can also be used to create import and export filters for various file formats, such as ODF.Īs its name suggests, VBA is closely related to Visual Basic and uses the Visual Basic Runtime, but can normally only run code within a host application rather than as a standalone application. It supersedes and expands on the capabilities of earlier application-specific macro programming languages such as Word's WordBasic, and can be used to control many aspects of the host application, including manipulating user interface features, such as menus and toolbars, and working with custom user forms or dialog boxes. It was also built into Office applications up to version 2004 for Apple's Mac OS X, other Microsoft applications such as Microsoft MapPoint and Microsoft Visio as well as being at least partially implemented in some other applications such as AutoCAD, WordPerfect and ArcGIS. VBA enables developers to build user defined functions, automate processes, and access Win32 and other low level functionality through DLLs. Visual Basic for Applications ( VBA) is an implementation of Microsoft's event-driven programming language Visual Basic 6, and associated integrated development environment (IDE), which is built into most Microsoft Office applications.

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