Barcode Selection Listener#
Defined under the namespace Scandit.Datacapture.Barcode.Selection
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BarcodeSelectionListener
# interface BarcodeSelectionListener
Added in version 6.10.0
The BarcodeSelection listener is the main way for hooking into BarcodeSelection. It provides a callback that is invoked when the state of selected barcodes changes.
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didUpdateSelection(barcodeSelection, session, getFrameData)
# didUpdateSelection
?(barcodeSelection: BarcodeSelection, session: BarcodeSelectionSession, getFrameData: () => Promise<FrameData>):void
Added in version 6.10.0
Invoked whenever a barcode is selected or a previously selected barcode is unselected.
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didUpdateSession(barcodeSelection, session, getFrameData)
# didUpdateSession
?(barcodeSelection: BarcodeSelection, session: BarcodeSelectionSession, getFrameData: () => Promise<FrameData>):void
Added in version 6.10.0
Invoked after a frame has been processed by barcode selection and the session has been updated. In contrast to didUpdateSelection(), this method is invoked, regardless whether a code was selected or not.
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Barcode Selection Advanced Listener#
Defined under the namespace Scandit.Datacapture.Barcode.Selection