Note: This documentation is preliminary and is subject to change.
Warning: This property is deprecated. Deprecated components of Microsoft® DirectX® 9.0 for Managed Code are considered obsolete. While these components are still supported in this release of Microsoft® DirectX® 9.0 for Managed Code, they may be removed in the future. When writing new applications, you should avoid using these deprecated components. When modifying existing applications, you are strongly encouraged to remove any dependency on these components.
Unique identifier for the driver/chipset pair. Use this value if you want to track changes to the driver or chipset to reprofile the graphics subsystem. It can also be used to identify particular problematic drivers. Deprecated.