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This function was available in Visual Basic 6, but has been superseded in Visual Basic .NET by the IsNothing() function. [14] In VBScript, if a variant is assigned Nothing, this function still returns False. [15] IsError(expression)
Visual Basic (VB), originally called Visual Basic .NET (VB.NET), is a multi-paradigm, object-oriented programming language, implemented on .NET, Mono, and the .NET Framework. Microsoft launched VB.NET in 2002 as the successor to its original Visual Basic language, the last version of which was Visual Basic 6.0.
It is not a clone of Visual Basic, but it does have the ability to convert Visual Basic programs to Gambas. LotusScript is a VBA variant available in Lotus SmartSuite and Lotus Notes . Later versions of Corel WordPerfect Office implement access to VBA as one of the macro/scripting languages, the other major ones being CorelScript and ...
Visual Basic is a name for a family of programming languages from Microsoft. It may refer to: Visual Basic (.NET), the current version of Visual Basic launched in 2002 which runs on .NET; Visual Basic (classic), the original Visual Basic supported from 1991 to 2008; Embedded Visual Basic, the classic version geared toward embedded applications
This feature has been available for Visual Basic since .NET 1.1 and was present in early versions of Visual Studio for Visual Basic .NET. However, background compilation is a relatively new concept for Visual C# and is available with service pack 1 for Visual Studio 2008 Standard Edition and above.
Like Visual C#, Visual Basic also supports the Visual Studio Class designer, Forms designer, and Data designer among others. Like C#, the VB.NET compiler is also available as a part of .NET Framework, but the language services that let VB.NET projects be developed with Visual Studio, are available as a part of the latter.
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A procedure call must have parentheses in Visual Basic .NET. Visual Basic .NET requires a ByVal or ByRef specification for parameters. In Visual Basic the specification could be omitted, implying ByRef by default. Most development environments, such as Visual Studio .NET, will automatically insert a ByVal, so in effect the default is ByVal, not ...