PrintSupportExtensionSession.PrintDeviceCapabilitiesChanged 事件

定义

命名空间:

Windows.Graphics.Printing.PrintSupport

当系统更新关联的 Internet 打印协议 (IPP) 打印机的缓存打印功能时引发。

// Register
event_token PrintDeviceCapabilitiesChanged(TypedEventHandler<PrintSupportExtensionSession, PrintSupportPrintDeviceCapabilitiesChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
PrintSupportExtensionSession::PrintDeviceCapabilitiesChanged_revoker PrintDeviceCapabilitiesChanged(auto_revoke_t, TypedEventHandler<PrintSupportExtensionSession, PrintSupportPrintDeviceCapabilitiesChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<PrintSupportExtensionSession,PrintSupportPrintDeviceCapabilitiesChangedEventArgs> PrintDeviceCapabilitiesChanged;

function onPrintDeviceCapabilitiesChanged(eventArgs) { /* Your code */ }
printSupportExtensionSession.addEventListener("printdevicecapabilitieschanged", onPrintDeviceCapabilitiesChanged);
printSupportExtensionSession.removeEventListener("printdevicecapabilitieschanged", onPrintDeviceCapabilitiesChanged);
- or -
printSupportExtensionSession.onprintdevicecapabilitieschanged = onPrintDeviceCapabilitiesChanged;

Public Custom Event PrintDeviceCapabilitiesChanged As TypedEventHandler(Of PrintSupportExtensionSession, PrintSupportPrintDeviceCapabilitiesChangedEventArgs) 

事件类型

TypedEventHandler<PrintSupportExtensionSession,PrintSupportPrintDeviceCapabilitiesChangedEventArgs>

注解

PrintSupportPrintDeviceCapabilitiesChangedEventArgs 提供当前打印功能，并提供可用于更新功能的方法。