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["Visual Basic for Applications\nFrom Wikipedia, the free encyclopedia\nJump to navigation\nJump to search\nVisual Basic for ApplicationsParadigm\tMulti-paradigm\nDeveloper\tMicrosoft\nFirst appeared\t1993; 27 years ago\nStable release\t\n7.1 (Office 2019)\nTyping discipline\tStatic/Dynamic Hybrid, Strong/Weak Hybrid\nOS\tMicrosoft Windows, Mac OS X\nLicense\tCommercial proprietary software\nInfluenced by\nQuickBASIC, Visual Basic\n\nVisual Basic for Applications (VBA) is an implementation of Microsoft's event-driven programming language Visual Basic 6, which was declared legacy in 2008, and its associated integrated development environment (IDE). Although pre-.NET Visual Basic is no longer supported or updated by Microsoft, the VBA programming language was upgraded in 2010 with the introduction of Visual Basic for Applications 7 in Microsoft Office applications.[1]\n\nVisual Basic for Applications enables building user-defined functions (UDFs), automating processes and accessing Windows API and other low-level functionality through dynamic-link libraries (DLLs). It supersedes and expands on the abilities of earlier application-specific macro programming languages such as Word's WordBASIC. It 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.\n\nAs its name suggests, VBA is closely related to Visual Basic and uses the Visual Basic Runtime Library. However, VBA code normally can only run within a host application, rather than as a standalone program. VBA can, however, control one application from another using OLE Automation. For example, VBA can automatically create a Microsoft Word report from Microsoft Excel data that Excel collects automatically from polled sensors. VBA can use, but not create, ActiveX/COM DLLs, and later versions add support for class modules.\n\nVBA is built into most Microsoft Office applications, including Office for Mac OS X (except version 2008), and other Microsoft applications, including Microsoft MapPoint and Microsoft Visio. VBA is also implemented, at least partially, in applications published by companies other than Microsoft, including ArcGIS, AutoCAD, CorelDraw, LibreOffice, Reflection,[2] SolidWorks,[3], WordPerfect, and UNICOM System_Architect (which supports VBA 7.1).\nContents\n\n    1 Design\n    2 Automation\n    3 Security concerns\n    4 Version history\n    5 Development\n    6 See also\n    7 References\n\nDesign\n\nCode written in VBA is compiled[4] to Microsoft P-Code (pseudo-code), a proprietary intermediate language, which the host applications (Access, Excel, Word, Outlook, and PowerPoint) store as a separate stream in COM Structured Storage files (e.g., .doc or .xls) independent of the document streams. The intermediate code is then executed[4] by a virtual machine (hosted by the host application). Despite its resemblance to many old BASIC dialects (particularly Microsoft BASIC, from which it is indirectly derived), VBA is incompatible with any of them except Visual Basic, where source code of VBA modules and classes can be directly imported, and which shares the same library and virtual machine. Compatibility ends with Visual Basic version 6; VBA is incompatible with Visual Basic .NET (VB.NET). VBA is proprietary to Microsoft and, apart from the COM interface, is not an open standard.\nAutomation\n\nInteraction with the host application uses OLE Automation. Typically, the host application provides a type library and application programming interface (API) documentation which document how VBA programs can interact with the application. This documentation can be examined from inside the VBA development environment using its Object Browser.\n\nVisual Basic for Applications programs which are written to use the OLE Automation interface of one application cannot be used to automate a different application, even if that application hosts the Visual Basic runtime, because the OLE Automation interfaces will be different. For example, a VBA program written to automate Microsoft Word cannot be used with a different word processor, even if that word processor hosts VBA.\n\nConversely, multiple applications can be automated from the one host by creating Application objects within the VBA code. References to the different libraries must be created within the VBA client before any of the methods, objects, etc. become available to use in the application. This is achieved through what is referred to as Early or Late Binding. These application objects create the OLE link to the application when they are first created. Commands to the different applications must be done explicitly through these application objects in order to work correctly.\n\nAs an example, VBA code written in Microsoft Access can establish references to the Excel, Word and Outlook libraries; this allows creating an application that --- for instance --- runs a query in Access, exports the results to Excel and analyzes them, and then formats the output as tables in a Word document or sends them as an Outlook email.\n\nVBA programs can be attached to a menu button, a macro, a keyboard shortcut, or an OLE/COM event, such as the opening of a document in the application. The language provides a user interface in the form of UserForms, which can host ActiveX controls for added functionality.\n\nInter-process communication automation includes the Dynamic Data Exchange (DDE) and RealTimeData (RTD) which allows calling a Component Object Model (COM) automation server for dynamic or realtime financial or scientific data.[5]\nSecurity concerns\n\nAs with any common programming language, VBA macros can be created with malicious intent. Using VBA, most of the security features lie in the hands of the user, not the author. The VBA host application options are accessible to the user. The user who runs any document containing VBA macros can preset the software with user preferences. End-users can protect themselves from attack by disabling macros from running in an application or by granting permission for a document to run VBA code only if they are sure that the source of the document can be trusted.\nVersion history\n\n    VBA was first launched with MS Excel 5.0 in 1993. It became an instant success among developers to create corporate solutions using Excel. Inclusion of VBA with Microsoft Project, Access and Word replacing AccessBASIC and WordBASIC respectively made it more popular.\n    VBA 4.0 is the next famous release with a totally upgraded version compared to previous one. Released in 1996, it is written in C++ and became an object oriented language.\n    VBA 5.0 was launched in 1997 along with all of MS Office 97 products. The only exception for this was Outlook 97 which used VBScript to automate things.\n    VBA 6.0 and VBA 6.1 were launched in 1999, notably with support for COM add-ins in Office 2000. VBA 6.2 was released alongside Office 2000 SR-1.\n    VBA 6.3 was released after Office XP, VBA 6.4 followed Office 2003 and VBA 6.5 was released with Office 2007.\n    Office 2010 includes VBA 7.0. There are no new features in VBA 7 for developers compared to VBA 6.5 except for 64-bit support. However, after VBA 6.5/Office 2007, Microsoft stopped licensing VBA for other applications.\n    Office 2013, Office 2016, and Office 2019 include VBA 7.1.\n\nDevelopment\n\nAs of July 1, 2007, Microsoft no longer offers VBA distribution licenses to new customers. Microsoft intended to add .NET-based languages to the current version of VBA ever since the release of the .NET Framework,[6] of which versions 1.0 and 1.1 included a scripting runtime technology named Script for the .NET Framework.[7] Visual Studio .NET 2002 and 2003 SDK contained a separate scripting IDE called Visual Studio for Applications (VSA) that supported VB.NET.[8][9][10] One of its significant features was that the interfaces to the technology were available via Active Scripting (VBScript and JScript), allowing even .NET-unaware applications to be scripted via .NET languages. However, VSA was deprecated in version 2.0 of the .NET Framework,[10] leaving no clear upgrade path for applications desiring Active Scripting support (although \"scripts\" can be created in C#, VBScript, and other .NET languages, which can be compiled and executed at run-time via libraries installed as part of the standard .NET runtime).\n\nMicrosoft dropped VBA support for Microsoft Office 2008 for Mac.[11][12] VBA was restored in Microsoft Office for Mac 2011. Microsoft said that it has no plan to remove VBA from the Windows version of Office.[13][14]\n\nWith Office 2010, Microsoft introduced VBA7, which contains a true pointer data type: LongPtr. This allows referencing 64-bit address space. The 64-bit install of Office 2010 does not support common controls of MSComCtl (TabStrip, Toolbar, StatusBar, ProgressBar, TreeView, ListViews, ImageList, Slider, ImageComboBox) or MSComCt2 (Animation, UpDown, MonthView, DateTimePicker, FlatScrollBar), so legacy 32-bit code ported to 64-bit VBA code that depends on these common controls will not function. This does not affect the 32-bit version Office 2010.[15] VBA7 includes no 64-bit version of the common controls, so it leaves developers with no means to migrate VBA applications to 64-bit. Microsoft suggests contacting the software vendor for 64-bit versions of VBA controls.\nSee also\n\tWikiversity has learning resources about Visual Basic for Applications\n\tWikibooks has more on the topic of: Visual Basic for Applications\n\n    Visual Studio Tools for Applications\n    Visual Studio Tools for Office\n    Microsoft Visual Studio\n    Microsoft FrontPage\n    OpenOffice Basic\n    LotusScript"]