You can specify which project is the startup project. The project name in bold is the startup project that is, the project that starts when you run the app. Each project contains multiple files, folders, and references.
The following screenshot shows an example solution in Solution Explorer ( BikeSharing.Xamarin-UWP) that contains two projects: and. You can view your solutions and projects in a tool window called Solution Explorer. For Visual Studio for Mac, see Create projects in Visual Studio for Mac. This topic applies to Visual Studio on Windows.
Solutions can also contain files that aren't connected to any specific project. You can also create blank or empty solutions. You can then add other new or existing projects to the solution if you want. When you create a new project, Visual Studio creates a solution to contain the project. Projects hold the items needed to build your app in Visual Studio, such as source code files, bitmaps, icons, and component and service references. To learn how to quickly create a project from a template, see Create a project from a template. If you aren't familiar with projects in Visual Studio, see this overview of Projects and Solutions. In this article, you'll learn how to create and use Visual Studio projects from scratch to store the artifacts you need to build your apps. Create, work with, and delete Visual Studio projects and solutions
