Window.VisibilityChanged Ereignis

Definition

Namespace:

Microsoft.UI.Xaml

Tritt auf, wenn sich der Wert der Visible-Eigenschaft ändert.

// Register
event_token VisibilityChanged(TypedEventHandler<IInspectable, WindowVisibilityChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
Window::VisibilityChanged_revoker VisibilityChanged(auto_revoke_t, TypedEventHandler<IInspectable, WindowVisibilityChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<object,WindowVisibilityChangedEventArgs> VisibilityChanged;

function onVisibilityChanged(eventArgs) { /* Your code */ }
window.addEventListener("visibilitychanged", onVisibilityChanged);
window.removeEventListener("visibilitychanged", onVisibilityChanged);
- or -
window.onvisibilitychanged = onVisibilityChanged;

Public Custom Event VisibilityChanged As TypedEventHandler(Of Object, WindowVisibilityChangedEventArgs) 

Ereignistyp

TypedEventHandler<Object,WindowVisibilityChangedEventArgs>

TypedEventHandler<IInspectable,WindowVisibilityChangedEventArgs>

Hinweise

VisibilityChangedEventArgs enthält eine boolesche Visible Eigenschaft, die Sie überprüfen sollten, um den aktuellen Sichtbarkeitsstatus zu bestimmen.

Weitere Informationen

• VisibilityChangedEventArgs