通过

BarcodeScannerProviderConnection.HideVideoPreviewRequested 事件

  • 参考

定义

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

当客户端应用尝试隐藏视频预览窗口时引发。

// Register
event_token HideVideoPreviewRequested(TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerHideVideoPreviewRequestEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
BarcodeScannerProviderConnection::HideVideoPreviewRequested_revoker HideVideoPreviewRequested(auto_revoke_t, TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerHideVideoPreviewRequestEventArgs const&> const& handler) const;
public event TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerHideVideoPreviewRequestEventArgs> HideVideoPreviewRequested;
function onHideVideoPreviewRequested(eventArgs) { /* Your code */ }
barcodeScannerProviderConnection.addEventListener("hidevideopreviewrequested", onHideVideoPreviewRequested);
barcodeScannerProviderConnection.removeEventListener("hidevideopreviewrequested", onHideVideoPreviewRequested);
- or -
barcodeScannerProviderConnection.onhidevideopreviewrequested = onHideVideoPreviewRequested;
Public Custom Event HideVideoPreviewRequested As TypedEventHandler(Of BarcodeScannerProviderConnection, BarcodeScannerHideVideoPreviewRequestEventArgs)

事件类型

TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerHideVideoPreviewRequestEventArgs>

适用于