Adding a File To The Project

You can add a file form different project in your project. You can share files between projects.
If you add a file to a project, you are simply including a reference to the existing file in the project. you are not adding a copy of the file to the project.
Therefore, if you make changes to the file and save it, your changes will affect any project that includes the file.
Steps for adding files:
1. Go to project menu.
2. Select Add File option OR Use Ctrl+D for adding file.
The following Dialog box will appear:
Select required file and Click Open.