通过

BarcodeScannerProviderConnection.StartSoftwareTriggerRequested 事件

  • 参考

定义

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

当客户端应用尝试向条形码扫描仪发出信号以开始扫描时引发。

// Register
event_token StartSoftwareTriggerRequested(TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerStartSoftwareTriggerRequestEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
BarcodeScannerProviderConnection::StartSoftwareTriggerRequested_revoker StartSoftwareTriggerRequested(auto_revoke_t, TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerStartSoftwareTriggerRequestEventArgs const&> const& handler) const;
public event TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerStartSoftwareTriggerRequestEventArgs> StartSoftwareTriggerRequested;
function onStartSoftwareTriggerRequested(eventArgs) { /* Your code */ }
barcodeScannerProviderConnection.addEventListener("startsoftwaretriggerrequested", onStartSoftwareTriggerRequested);
barcodeScannerProviderConnection.removeEventListener("startsoftwaretriggerrequested", onStartSoftwareTriggerRequested);
- or -
barcodeScannerProviderConnection.onstartsoftwaretriggerrequested = onStartSoftwareTriggerRequested;
Public Custom Event StartSoftwareTriggerRequested As TypedEventHandler(Of BarcodeScannerProviderConnection, BarcodeScannerStartSoftwareTriggerRequestEventArgs)

事件类型

TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerStartSoftwareTriggerRequestEventArgs>

适用于