File Extensions
The clearest signal that things have changed is that the file extensions in Visual Basic .NET have been changed.
Visual Basic Group Files Are Solutions
File extensions changed in Visual Basic .NET to accommodate the way in which files are managed in the unified Visual Studio IDE. The concept of a whole system is referred to as a solution. In Visual Basic 6 when you add a second, third, or more projects, a Visual Basic Group, or .VBG, file is created.
The same convenience of working with multiple projects exists in Visual Basic .NET. The VBG equivalent is the solution, or .SLN, file.
Source Files Have a New Extension
A second big change is that no distinction is made between files containing classes, forms, or just code. All Visual ...
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