ClaimedPosPrinter.Closed 事件

定义

命名空间:

Windows.Devices.PointOfService

关闭 ClaimedPosPrinter 时引发的事件。

// Register
event_token Closed(TypedEventHandler<ClaimedPosPrinter, ClaimedPosPrinterClosedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
ClaimedPosPrinter::Closed_revoker Closed(auto_revoke_t, TypedEventHandler<ClaimedPosPrinter, ClaimedPosPrinterClosedEventArgs const&> const& handler) const;

public event TypedEventHandler<ClaimedPosPrinter,ClaimedPosPrinterClosedEventArgs> Closed;

function onClosed(eventArgs) { /* Your code */ }
claimedPosPrinter.addEventListener("closed", onClosed);
claimedPosPrinter.removeEventListener("closed", onClosed);
- or -
claimedPosPrinter.onclosed = onClosed;

Public Custom Event Closed As TypedEventHandler(Of ClaimedPosPrinter, ClaimedPosPrinterClosedEventArgs) 

事件类型

TypedEventHandler<ClaimedPosPrinter,ClaimedPosPrinterClosedEventArgs>

Windows 要求

设备系列	Windows 10, version 1809 (在 10.0.17763.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v7.0 中引入)

注解

暂停应用时，将关闭所有 ClaimedPosPrinter 对象。 此事件可用于确定何时需要重新建立打印机连接。

另请参阅

• IClosable