CoreWindowDialog.Showing 事件
定义
重要
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在显示对话框时触发。
// Register
event_token Showing(TypedEventHandler<CoreWindow, CoreWindowPopupShowingEventArgs const&> const& handler) const;
// Revoke with event_token
void Showing(event_token const* cookie) const;
// Revoke with event_revoker
CoreWindowDialog::Showing_revoker Showing(auto_revoke_t, TypedEventHandler<CoreWindow, CoreWindowPopupShowingEventArgs const&> const& handler) const;
public event TypedEventHandler<CoreWindow,CoreWindowPopupShowingEventArgs> Showing;
function onShowing(eventArgs) { /* Your code */ }
coreWindowDialog.addEventListener("showing", onShowing);
coreWindowDialog.removeEventListener("showing", onShowing);
- or -
coreWindowDialog.onshowing = onShowing;
Public Custom Event Showing As TypedEventHandler(Of CoreWindow, CoreWindowPopupShowingEventArgs)