Along with application level preferences, there are drawing based preferences that are accessed with the Options dialog box that are stored in a drawing file. To access these stored settings, use the appropriate property on the Database object or use the GetSystemVariable and SetSystemVariable methods of the Application object.
除应用程序级别的 Preferences 对象外，还有基于图形的 Preferences，它可以使用选项对话框访问且存储在图形文件中。若要访问这些存储的设置，请使用数据库对象合适的属性或使用 Application 对话的 GetSystemVariable 和 SetSystemVariable 方法。
