Reference NuGet package SharpGrip.FileSystem.Adapters.Dropbox
(https://www.nuget.org/packages/SharpGrip.FileSystem.Adapters.Dropbox).
// Dropbox connection.
var dropboxClient = new DropboxClient("oAuth2AccessToken");
var adapters = new List<IAdapter>
{
new LocalAdapter("local", "/var/files"),
new DropboxAdapter("dropbox", "/Files", dropboxClient)
};
var fileSystem = new FileSystem(adapters);