2023微软有改进winform吗

privateSqlConnection connection;privatestaticstringconnectionString ="Data Source=Mirco-2023RFHPW;Initial Catalog=TestDB;User ID=sa;Password=123456";publicForm1(){            InitializeComponent;                     connection =newSqlConnection(connectionString);        }

privatestringusername;publicForm2(SqlConnection connection,stringusername){            InitializeComponent();this.username = username;        }