You can create a new solution for each project or alternatively create projects in an existing solution.
To create a new project in an existing solution, do the following:
The project name must be unique to the solution and ideally the project directory should be relative to the solution directory. The project directory is where the project system will use as the current directory when it builds your project. Once complete, the project explorer displays the new solution, project, and files of the project. To add another project to the solution, repeat the above steps.
To create a new project in a new solution, do the following: