[DirectX 8.1 C/C++ Programmer's Reference] Volume Texture Resources (19.9474789915966%)

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[DirectX 8.1 Visual Basic Programmer's Reference] Volume Texture Resources (19.9474789915966%)

DirectX 8.1 (Visual Basic) > DirectX Graphics > Programmers Guide > Using Direct3D > Textures

[DirectX 8.1 C/C++ Programmer's Reference] Volume Property (16.0416666666667%)

DirectX 8.1 (C++) > DirectShow > DirectShow Reference > MSWebDVD ActiveX Control > MSWebDVD Object

[DirectX 8.1 C/C++ Programmer's Reference] Volume Envelope Effect (13.4724766219994%)

DirectX 8.1 (C++) > DirectShow > DirectShow Editing Services C++ Reference > Transitions and Effects