BarcodeScannerProviderConnection.SetActiveSymbologiesRequested 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。
当客户端应用尝试设置设备要使用的条形码符号时引发。
// Register
event_token SetActiveSymbologiesRequested(TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerSetActiveSymbologiesRequestEventArgs const&> const& handler) const;
// Revoke with event_token
void SetActiveSymbologiesRequested(event_token const* cookie) const;
// Revoke with event_revoker
BarcodeScannerProviderConnection::SetActiveSymbologiesRequested_revoker SetActiveSymbologiesRequested(auto_revoke_t, TypedEventHandler<BarcodeScannerProviderConnection, BarcodeScannerSetActiveSymbologiesRequestEventArgs const&> const& handler) const;
public event TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerSetActiveSymbologiesRequestEventArgs> SetActiveSymbologiesRequested;
function onSetActiveSymbologiesRequested(eventArgs) { /* Your code */ }
barcodeScannerProviderConnection.addEventListener("setactivesymbologiesrequested", onSetActiveSymbologiesRequested);
barcodeScannerProviderConnection.removeEventListener("setactivesymbologiesrequested", onSetActiveSymbologiesRequested);
- or -
barcodeScannerProviderConnection.onsetactivesymbologiesrequested = onSetActiveSymbologiesRequested;
Public Custom Event SetActiveSymbologiesRequested As TypedEventHandler(Of BarcodeScannerProviderConnection, BarcodeScannerSetActiveSymbologiesRequestEventArgs)
事件类型
TypedEventHandler<BarcodeScannerProviderConnection,BarcodeScannerSetActiveSymbologiesRequestEventArgs>