ClaimedBarcodeScanner.ImagePreviewReceived 事件
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
当设备收到扫描的位图图像时发生。
// Register
event_token ImagePreviewReceived(TypedEventHandler<ClaimedBarcodeScanner, BarcodeScannerImagePreviewReceivedEventArgs const&> const& handler) const;
// Revoke with event_token
void ImagePreviewReceived(event_token const* cookie) const;
// Revoke with event_revoker
ClaimedBarcodeScanner::ImagePreviewReceived_revoker ImagePreviewReceived(auto_revoke_t, TypedEventHandler<ClaimedBarcodeScanner, BarcodeScannerImagePreviewReceivedEventArgs const&> const& handler) const;
public event TypedEventHandler<ClaimedBarcodeScanner,BarcodeScannerImagePreviewReceivedEventArgs> ImagePreviewReceived;
function onImagePreviewReceived(eventArgs) { /* Your code */ }
claimedBarcodeScanner.addEventListener("imagepreviewreceived", onImagePreviewReceived);
claimedBarcodeScanner.removeEventListener("imagepreviewreceived", onImagePreviewReceived);
- or -
claimedBarcodeScanner.onimagepreviewreceived = onImagePreviewReceived;
Public Custom Event ImagePreviewReceived As TypedEventHandler(Of ClaimedBarcodeScanner, BarcodeScannerImagePreviewReceivedEventArgs)
事件类型
适用于
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