GoWebScan API
kStatus GoWebScanVisionCombiner_SetPositionHandler ( GoWebScanVisionCombiner  combiner,
GoWebScanVisionCombinerPositionFx  data,
kPointer  context 
)

Sets the handler for determining the min and max Y-extents of the vision tile.

Parameters
combinerGoWebScanVisionCombiner object.
dataCallback function
contextReceiver argument for callback.
Returns
Operation status.