ClaimedBarcodeScanner.Closed Kejadian

Definisi

Ruang nama:

Windows.Devices.PointOfService

Peristiwa yang dimunculkan saat ClaimedBarcodeScanner ditutup.

// Register
event_token Closed(TypedEventHandler<ClaimedBarcodeScanner, ClaimedBarcodeScannerClosedEventArgs const&> const& handler) const;

// Revoke with event_token
void Closed(event_token const* cookie) const;

// Revoke with event_revoker
ClaimedBarcodeScanner::Closed_revoker Closed(auto_revoke_t, TypedEventHandler<ClaimedBarcodeScanner, ClaimedBarcodeScannerClosedEventArgs const&> const& handler) const;

public event TypedEventHandler<ClaimedBarcodeScanner,ClaimedBarcodeScannerClosedEventArgs> Closed;

function onClosed(eventArgs) { /* Your code */ }
claimedBarcodeScanner.addEventListener("closed", onClosed);
claimedBarcodeScanner.removeEventListener("closed", onClosed);
- or -
claimedBarcodeScanner.onclosed = onClosed;

Public Custom Event Closed As TypedEventHandler(Of ClaimedBarcodeScanner, ClaimedBarcodeScannerClosedEventArgs) 

Jenis Acara

TypedEventHandler<ClaimedBarcodeScanner,ClaimedBarcodeScannerClosedEventArgs>

Persyaratan Windows

Rangkaian perangkat	Windows 10, version 1809 (diperkenalkan dalam 10.0.17763.0)
API contract	Windows.Foundation.UniversalApiContract (diperkenalkan dalam v7.0)

Keterangan

Ketika aplikasi ditangguhkan, semua objek ClaimedBarcodeScanner ditutup. Kejadian ini dapat berguna untuk menentukan kapan koneksi pemindai kode batang perlu dibuat ulang.

Lihat juga

• IClosable