The File menu contains commands that open, close, modify, and save files.
| Open | Opens an existing NGD (Native Generic Database) file and a corresponding UCF (User Constraints File), if one exists. |
| Close | Closes all active tab windows. The main window remains open. |
| Save | Saves the files associated with the data in the Constraints Editor - the NGD file and the UCF file.The files are saved with their current file names and location. |
| Save As | Saves the Constraints Editor data to the filename and directory you specify.When you select this command, a standard file selection dialog box opens. |
| Save Bar State | Specifies the location of the dockable Constraints window when you open the Constraints Editor. |
| Restore Bar State | If you change the position of the Constraints Window, this command restores the window to the position specified by the last Save Bar State command. |
