ClaimedBarcodeScanner.ImagePreviewReceived Événement

Définition

Espace de noms:

Windows.Devices.PointOfService

Se produit lorsque l’appareil reçoit l’image bitmap de l’analyse.

// 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) 

Type d'événement

TypedEventHandler<ClaimedBarcodeScanner,BarcodeScannerImagePreviewReceivedEventArgs>