[DirectX 3 Programmer's Reference] B (100%)
Glossary
[DirectX 5 Programmer's Reference] B (80.7692307692308%)
DirectX Foundation > Glossary
[DirectX 6 Programmer's Reference] B (80.7692307692308%)
DirectX Foundation > Glossary
[DirectX 7 Programmer's Reference] B (71.7948717948718%)
Microsoft DirectX 7.0 > Glossary
[DirectX October 2006 Documentation] B (35.8974358974359%)
DirectX SDK > Introducing DirectX 9.0 > Namespaces > Microsoft.DirectX > Structures > Plane > Fields