Add New Item Dialog Box (Host File Designer)
The Add New Item dialog box enables you to add a host file object the currently selected project. There are two panes in the dialog box:
The Categories pane lists the project item hierarchy.
For Host File Designer, the only item in this pane is Host Integration Project Items.
The Templates pane lists the related project item types.
For Host File Designer, the only usable item in this pane is Host Files Library. A host files library is a .NET assembly that describes the host file system to your application.
To add a new item
On the Project menu, click Add Host File Library or Add New Item….
For the purposes of a Host File Designer project, you can add only a Host File Library.
On the Add New Item dialog box, confirm that Host File Library is highlighted.
Next to Name, type the name that you want to use for the library.
Click Add, and follow the directions for the relevant Wizard.