通过

BarcodeScanner.StatusUpdated 事件

  • 参考

定义

命名空间:
Windows.Devices.PointOfService
编辑

当条形码扫描仪检测到操作状态更改时发生。

// Register
event_token StatusUpdated(TypedEventHandler<BarcodeScanner, BarcodeScannerStatusUpdatedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
BarcodeScanner::StatusUpdated_revoker StatusUpdated(auto_revoke_t, TypedEventHandler<BarcodeScanner, BarcodeScannerStatusUpdatedEventArgs const&> const& handler) const;
public event TypedEventHandler<BarcodeScanner,BarcodeScannerStatusUpdatedEventArgs> StatusUpdated;
function onStatusUpdated(eventArgs) { /* Your code */ }
barcodeScanner.addEventListener("statusupdated", onStatusUpdated);
barcodeScanner.removeEventListener("statusupdated", onStatusUpdated);
- or -
barcodeScanner.onstatusupdated = onStatusUpdated;
Public Custom Event StatusUpdated As TypedEventHandler(Of BarcodeScanner, BarcodeScannerStatusUpdatedEventArgs)

事件类型

TypedEventHandler<BarcodeScanner,BarcodeScannerStatusUpdatedEventArgs>

适用于