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WIA_DPC_FNUMBER

The WIA_DPC_FNUMBER property corresponds to the aperture of the lens, in units of the f-stop number scaled by 100.

Property Type: VT_I4

Valid Values: WIA_PROP_LIST

Access Rights: Read/write

Remarks

The setting of the WIA_DPC_FNUMBER property is typically valid only when the WIA_DPC_EXPOSURE_MODE property is set to EXPOSUREMODE_MANUAL or EXPOSUREMODE_APERTURE_PRIORITY.

Requirements

Version: Obsolete in Windows Vista and later operating systems and should not be used.

Header: wiadef.h (include Wiadef.h)

See also

WIA_DPC_EXPOSURE_MODE