共用方式為

PrintTaskOptionDetails.BeginValidation 事件

  • 參考

定義

命名空間:
Windows.Graphics.Printing.OptionDetails
編輯

當列印系統開始驗證傳遞列印票證的目前狀態時引發。

// 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)

事件類型

TypedEventHandler<PrintTaskOptionDetails,Object>

TypedEventHandler<PrintTaskOptionDetails,IInspectable>

適用於