Visual Studio要求通过在安装过程中在Windows注册表中添加某些条目(HKLM\SOFTWARE\Microsoft\VisualStudio\{version}\DataProviders)来注册DDEX提供程序(数据设计器可扩展性).有关更多详细信息，请参见MSDN中的 DDEX提供程序注册.

Visual Studio requires that DDEX Providers (Data Designer Extensibility) be registered by adding certain entries in the Windows Registry during installation (HKLM\SOFTWARE\Microsoft\VisualStudio\{version}\DataProviders) . See DDEX Provider Registration in MSDN for more details.