ID2D1EffectContext.GetMaximumSupportedFeatureLevel

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
interface ID2D1EffectContext
extern (Windows) const
HRESULT
GetMaximumSupportedFeatureLevel
(
const D3D_FEATURE_LEVEL* featureLevels
,,
D3D_FEATURE_LEVEL* maximumSupportedFeatureLevel
)

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