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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. |
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09/29/2021 |
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
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.
Version: Obsolete in Windows Vista and later operating systems and should not be used.
Header: wiadef.h (include Wiadef.h)