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Microsoft DirectX 9.0

D3DENUM

Driver capability flag.

#defineValueDescription
D3DENUM_WHQL_LEVEL0x00000002LMicrosoft?Windows?Hardware Quality Labs (WHQL) driver testing. This is a time-consuming test requiring a one-second or two-second time penalty. This constant is used by the WHQLLevel member of D3DADAPTER_IDENTIFIER9.

Constant Information

Headerd3d9.h
Minimum operating systemWindows 98

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