Bewerken

Delen via

WIA_DPC_FOCAL_LENGTH

  • Artikel

The WIA_DPC_FOCAL_LENGTH property contains the 35 millimeter (mm)-equivalent focal length.

Property Type: VT_I4

Valid Values: WIA_PROP_NONE

Access Rights: Read/write

Remarks

The values of the WIA_DPC_FOCAL_LENGTH property correspond to the focal length in millimeters multiplied by 100. The focal length determines the optical zoom.

Requirements

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

Header: wiadef.h (include Wiadef.h)