Class s7sdk.event.ZoomTargetEvent
Dispatched whenever a zoom target has been selected.
Constructor Attributes | Constructor Name and Description |
---|---|
s7sdk.event.ZoomTargetEvent(type, idx, frame, image, zoomRgn)
|
Field Attributes | Field Name and Description |
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<static> |
s7sdk.event.ZoomTargetEvent.ZOOM_TARGET
Defines a value of the
type property of a zoomTarget event object. |
Class Detail
s7sdk.event.ZoomTargetEvent(type, idx, frame, image, zoomRgn)
This example demonstrates handling a ZoomTargetsEvent. It changes the displayed rectangle in the ZoomView component. The listener function istargetSelected(event)
, the ZoomView component ismyZoomView
and the ZoomTarget component ismyZoomTarget
.function targetSelected(event) { myZoomView.zoomRgn(event.s7event.zoomRgn); myZoomTargets.setFrame(event.s7event.image); } myZoomTargets.addEventListener(s7sdk.event.ZoomTargetEvent.ZOOM_TARGET, targetSelected, false);
- Parameters:
- type
- Event type.
- idx
- Zoom target index.
- frame
- Frame associated with the target.
- image
- ItemDesc for image associated with the target.
- zoomRgn
- Zoom region in the top resolution image coordinates.
Field Detail
<static>
s7sdk.event.ZoomTargetEvent.ZOOM_TARGET
Defines a value of the
type
property of a zoomTarget
event object.