void __fastcall ModifyServerUser(const System::UnicodeString
      UserName, const System::UnicodeString UserPassword, const
      System::UnicodeString UserDescription, bool IsAdministrator =
      false, System::Word MaxConnections = (System::Word)(0x64))

Usage

Call the ModifyServerUser method to modify information about an existing user on a database server. Use the UserName parameter to specify the existing user.