Adding Files to the Master File Directory
The Master Files directory only contains logical folders and linked
            files. To add files in the Master Files directory, use one of the
            following methods: 
            
- Right-click a file from your project and select  Add to Master Files from the
                  contextual menu. Add to Master Files from the
                  contextual menu.
- Select  Add Files or Add Files or Add Edited File from the contextual menu of the Add Edited File from the contextual menu of theMaster Filesdirectory.
- Drag and drop files into the Master Filesdirectory.
- From the contextual menu of the  Resource Hierarchy
                     Dependencies view, use the Resource Hierarchy
                     Dependencies view, use the Add to Master Files action. Add to Master Files action.
You can view the master files for the current resource in the Properties dialog of the Project view and the master files for the current editor in the Properties and Information views.
