通过

BarcodeScannerProviderConnection.GetBarcodeSymbologyAttributesRequested 事件

  • 参考

定义

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

当客户端应用尝试获取条形码符号系统的属性时引发。

// Register
event_token GetBarcodeSymbologyAttributesRequested(TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerGetSymbologyAttributesRequestEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
BarcodeScannerProviderConnection::GetBarcodeSymbologyAttributesRequested_revoker GetBarcodeSymbologyAttributesRequested(auto_revoke_t, TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerGetSymbologyAttributesRequestEventArgs const&> const& handler) const;
public event TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerGetSymbologyAttributesRequestEventArgs> GetBarcodeSymbologyAttributesRequested;
function onGetBarcodeSymbologyAttributesRequested(eventArgs) { /* Your code */ }
barcodeScannerProviderConnection.addEventListener("getbarcodesymbologyattributesrequested", onGetBarcodeSymbologyAttributesRequested);
barcodeScannerProviderConnection.removeEventListener("getbarcodesymbologyattributesrequested", onGetBarcodeSymbologyAttributesRequested);
- or -
barcodeScannerProviderConnection.ongetbarcodesymbologyattributesrequested = onGetBarcodeSymbologyAttributesRequested;
Public Custom Event GetBarcodeSymbologyAttributesRequested As TypedEventHandler(Of BarcodeScannerProviderConnection, BarcodeScannerGetSymbologyAttributesRequestEventArgs)

事件类型

TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerGetSymbologyAttributesRequestEventArgs>

适用于