通过

BarcodeScannerProviderConnection.EnableScannerRequested 事件

  • 参考

定义

命名空间:
Windows.Devices.PointOfService.Provider
编辑

当客户端应用尝试启用条形码扫描仪时引发。

// Register
event_token EnableScannerRequested(TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerEnableScannerRequestEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
BarcodeScannerProviderConnection::EnableScannerRequested_revoker EnableScannerRequested(auto_revoke_t, TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerEnableScannerRequestEventArgs const&> const& handler) const;
public event TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerEnableScannerRequestEventArgs> EnableScannerRequested;
function onEnableScannerRequested(eventArgs) { /* Your code */ }
barcodeScannerProviderConnection.addEventListener("enablescannerrequested", onEnableScannerRequested);
barcodeScannerProviderConnection.removeEventListener("enablescannerrequested", onEnableScannerRequested);
- or -
barcodeScannerProviderConnection.onenablescannerrequested = onEnableScannerRequested;
Public Custom Event EnableScannerRequested As TypedEventHandler(Of BarcodeScannerProviderConnection, BarcodeScannerEnableScannerRequestEventArgs)

事件类型

TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerEnableScannerRequestEventArgs>

适用于