KSPROPERTY_CAMERACONTROL_ZOOM

User-mode clients use the KSPROPERTY_CAMERACONTROL_ZOOM property to get or set a camera's zoom setting. This property is optional.

Usage Summary Table

Get Set Target Property descriptor type Property value type

Yes

Yes

Filter or node

KSPROPERTY_CAMERACONTROL_S or KSPROPERTY_CAMERACONTROL_NODE_S

LONG

The property value (operation data) is a LONG that specifies a camera's zoom setting. This value is expressed in millimeters.

Remarks

The Value member of the KSPROPERTY_CAMERACONTROL_S structure specifies the zoom.

Every video capture minidriver that supports this property must define a range and default value for this property. The range for the device must be 10 through 600. The default value must be 10.

Requirements

Header

Ksmedia.h (include Ksmedia.h)

See also

KSPROPERTY

KSPROPERTY_CAMERACONTROL_S