ClaimedBarcodeScanner.ImagePreviewReceived Evento
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Se produce cuando el dispositivo recibe la imagen de mapa de bits del examen.
// Register
event_token ImagePreviewReceived(TypedEventHandler<ClaimedBarcodeScanner, BarcodeScannerImagePreviewReceivedEventArgs const&> const& handler) const;
// Revoke with event_token
void ImagePreviewReceived(event_token const* cookie) const;
// Revoke with event_revoker
ClaimedBarcodeScanner::ImagePreviewReceived_revoker ImagePreviewReceived(auto_revoke_t, TypedEventHandler<ClaimedBarcodeScanner, BarcodeScannerImagePreviewReceivedEventArgs const&> const& handler) const;public event TypedEventHandler<ClaimedBarcodeScanner,BarcodeScannerImagePreviewReceivedEventArgs> ImagePreviewReceived;function onImagePreviewReceived(eventArgs) { /* Your code */ }
claimedBarcodeScanner.addEventListener("imagepreviewreceived", onImagePreviewReceived);
claimedBarcodeScanner.removeEventListener("imagepreviewreceived", onImagePreviewReceived);
- or -
claimedBarcodeScanner.onimagepreviewreceived = onImagePreviewReceived;Public Custom Event ImagePreviewReceived As TypedEventHandler(Of ClaimedBarcodeScanner, BarcodeScannerImagePreviewReceivedEventArgs)