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Existing Eiffel software uses the string classes (such as STRING_8) from the Eiffel libraries, but Eiffel software written for .NET must use the .NET string class (System.String) in many cases, for example when calling .NET methods which expect items of the .NET type to be passed as arguments. So, the conversion of these types back and forth ...
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.
Unlike many other programming languages, VB code is not case-sensitive – though the IDE transforms keywords into a standard case and variable names to match the case used elsewhere in the project. Of note, string comparison is case sensitive by default. The VB compiler is shared with other Visual Studio suite languages, C and C++.
There are tools to convert Visual Basic code to VB.NET, such as the Visual Basic Upgrade Wizard that was included in Visual Studio .NET 2002 and 2003. Conversion tools automatically insert a ByRef if necessary, preserving the semantics of the Visual Basic application.
The functions are simple data validation and data type checking functions. The data validation functions determine whether it is possible to convert or coerce the data value given as an argument to the function to the type implied by the function name, and return a Boolean value recording whether it was possible or not.
According to a November 2007 survey conducted by Visual Studio Magazine "41 percent said they used C#, 34 percent programmed in VB.NET, while 25 percent responded with 'other.'" [21] Stephen Wiley, marketing product manager at Apress has reported "C# titles outsell VB.NET title books handily, by somewhere between a 2–1 and 3–1 margin." [21]
The direction data binding happens is configurable - it can be defined to go UI-to-source (eg. text entered into a textbox being propagated to a bound string property in code), or source-to-UI (eg. a visual clock being updated to display the current time stored in code), or bi-directional. [14]
A null pointer passed as a string to WinRT by C++ is converted to an empty string In .Net, null being passed as a string to WinRT is converted to an empty string In JavaScript, null being passed as a string to WinRT is converted to a string with the word null. This is due to JavaScript's keyword null being represented as a null object.