ICoreWindow.VisibilityChanged 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。
指定在窗口可见性更改时发生的事件。
// Register
event_token VisibilityChanged(TypedEventHandler<CoreWindow, VisibilityChangedEventArgs const&> const& handler) const;
// Revoke with event_token
void VisibilityChanged(event_token const* cookie) const;
// Revoke with event_revoker
ICoreWindow::VisibilityChanged_revoker VisibilityChanged(auto_revoke_t, TypedEventHandler<CoreWindow, VisibilityChangedEventArgs const&> const& handler) const;
event TypedEventHandler<CoreWindow,VisibilityChangedEventArgs> VisibilityChanged;
function onVisibilityChanged(eventArgs) { /* Your code */ }
iCoreWindow.addEventListener("visibilitychanged", onVisibilityChanged);
iCoreWindow.removeEventListener("visibilitychanged", onVisibilityChanged);
- or -
iCoreWindow.onvisibilitychanged = onVisibilityChanged;
Event VisibilityChanged As TypedEventHandler(Of CoreWindow, VisibilityChangedEventArgs)