public static void Run()

in SampleConsoleApp/ModelEndToEnd.cs [42:97]
39 lines of code
2 McCabe index (conditional complexity)

        public static void Run()
        {
            string dacpacPath = "relativePath.dacpac";

            // Note that you could read scripts from a file or use TSqlScript objects that are taken from other models.
            // Hand-crafting TSqlScript is quite awkard but could be done programmatically (we do it internally).
            // If you need examples for this let us know and we can look into that too.
            string[] scripts = new[]
            {
                "CREATE TABLE t1 (c1 NVARCHAR(30) NOT NULL)",
                "CREATE TABLE t2 (c2 INT NOT NULL)",
                "CREATE TABLE t3 (c3 INT NOT NULL)",
                "CREATE TABLE t4 (c4 INT NOT NULL)",
            };
            using (TSqlModel model = new TSqlModel(SqlServerVersion.Sql110, new TSqlModelOptions { }))
            {
                // Adding objects to the model. 
                foreach (string script in scripts)
                {
                    model.AddObjects(script);
                }

                ReadTheModel(model);

                CopyFromTheModel(model);

                // save the model to a new .dacpac
                // Note that the PackageOptions can be used to specify RefactorLog and contributors to include
                DacPackageExtensions.BuildPackage(
                    dacpacPath,
                    model,
                    new PackageMetadata { Name = "MyPackageName", Description = "This is usually ignored", Version = "1.0" },
                    new PackageOptions() 
                    );
            }

            // Load from a dacpac
            using (TSqlModel modelFromDacpac = new TSqlModel(dacpacPath))
            {
                // Show that all the elements were saved successfully
                ReadTheModel(modelFromDacpac);

                // You can update the model in the dacpac. Other parts of a dacpac can't be updated yet (pre/post deployment scripts)
                modelFromDacpac.AddObjects("CREATE VIEW V1 AS SELECT * FROM T1");

                using (DacPackage dacPackage = DacPackage.Load(dacpacPath, 
                                                    DacSchemaModelStorageType.Memory,
                                                    FileAccess.ReadWrite))
                {
                    DacPackageExtensions.UpdateModel(dacPackage, modelFromDacpac, null);
                }
            }

            Console.WriteLine("Press any key to finish");
            Console.ReadKey();
        }