[DirectX 7 Programmer's Reference] DIFILEEFFECT (88.0952380952381%)

Microsoft DirectX 7.0 > DirectInput > DirectInput Reference > DirectInput C/C++ Reference > Structures

[DirectX October 2006 Documentation] DIFILEEFFECT (83.3333333333333%)

DirectX Input > DirectInput > Reference > Structures

[DirectX October 2006 Documentation] DIFILEEFFECT (57.7075098814229%)

DirectX SDK > Introducing DirectX 9.0 > Namespaces > Microsoft.DirectX.PrivateImplementationDetails > Structures