A generic C++ class. (This is not in the Add New Item dialogit is in the Add Class dialog. The Add Class dialog can be opened by right-clicking on the project in the Solution Explorer and selecting Add Add Class.)
C++ File ( .cpp )
A C++ source file.
Header File ( .h )
A C++ header file.
Midl File ( .idl )
A COM Interface Definition Language file.
Module-Definition File ( .def )
A file listing DLL entry points.
Windows Forms (.NET)
A source file containing a class derived from System.Windows.Forms.Form .
Component Class (.NET)
A source file containing a class that derives from System.ComponentModel.Component . (This enables integration with the VS.NET design-time environment. See Chapter 7 for more details.)
User Control (.NET)
A source file containing a class that derives from System.Windows.Forms.UserControl . User controls can be edited using the visual designer.
DataSet
An XML schema and a generated strongly typed DataSet class.
Configuration File ( app.config )
A .NET application configuration file. This file is named app.config , but at build time, VS.NET copies the file into the startup directory with the name <exename>.exe.config . (This is the name that the .NET Framework expects configuration files to have.)
Installer Class (.NET)
A source file containing a class to be invoked at setup time. This would be used in a project that implements a custom action for a Setup and Deployment project.
Add Class.) 