CoreWindowFlyout.Showing 事件
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
在显示浮出控件时触发。
// 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
CoreWindowFlyout::Showing_revoker Showing(auto_revoke_t, TypedEventHandler<CoreWindow, CoreWindowPopupShowingEventArgs const&> const& handler) const;
public event TypedEventHandler<CoreWindow,CoreWindowPopupShowingEventArgs> Showing;
function onShowing(eventArgs) { /* Your code */ }
coreWindowFlyout.addEventListener("showing", onShowing);
coreWindowFlyout.removeEventListener("showing", onShowing);
- or -
coreWindowFlyout.onshowing = onShowing;
Public Custom Event Showing As TypedEventHandler(Of CoreWindow, CoreWindowPopupShowingEventArgs)