Gets or sets a value that specifies whether the application is hosted in a browser (as WPF Web Browser Applications are).
Assembly: Microsoft.Build.Tasks.v4.0 (in Microsoft.Build.Tasks.v4.0.dll)
For project types other than WPF Web Browser Applications, you should set to False (the default value).
When you deploy a WPF Web Browser Application, you must set the property to True. This causes the <hostInBrowser> tag to be added to the generated application manifest. This tag enables ClickOnce to deploy projects for browser-hosted applications, which contain .xbap files.