通过

PrintTaskOptionDetails.BeginValidation 事件

  • 参考

定义

命名空间:
Windows.Graphics.Printing.OptionDetails
编辑

当打印系统对打印票证的当前状态开始验证传递时引发。

// Register
event_token BeginValidation(TypedEventHandler<PrintTaskOptionDetails, IInspectable const&> const& handler) const;

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

// Revoke with event_revoker
PrintTaskOptionDetails::BeginValidation_revoker BeginValidation(auto_revoke_t, TypedEventHandler<PrintTaskOptionDetails, IInspectable const&> const& handler) const;
public event TypedEventHandler<PrintTaskOptionDetails,object> BeginValidation;
function onBeginValidation(eventArgs) { /* Your code */ }
printTaskOptionDetails.addEventListener("beginvalidation", onBeginValidation);
printTaskOptionDetails.removeEventListener("beginvalidation", onBeginValidation);
- or -
printTaskOptionDetails.onbeginvalidation = onBeginValidation;
Public Custom Event BeginValidation As TypedEventHandler(Of PrintTaskOptionDetails, Object)

事件类型

TypedEventHandler<PrintTaskOptionDetails,Object>

TypedEventHandler<PrintTaskOptionDetails,IInspectable>

适用于