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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 no longer be used. However, this property is still defined in Windows Vista for compatibility with applications and devices designed for Windows Server 2003, Windows XP, and previous versions of Windows.

Header

Wiadef.h (include Wiadef.h)

See also

WIA_DPC_EXPOSURE_MODE

 

 

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