Window.VisibilityChanged Event

Definition

Occurs when the value of the Visible property changes.

Equivalent WinUI event: Microsoft.UI.Xaml.Window.VisibilityChanged.

public:
 virtual event WindowVisibilityChangedEventHandler ^ VisibilityChanged;
// Register
event_token VisibilityChanged(WindowVisibilityChangedEventHandler const& handler) const;

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

// Revoke with event_revoker
VisibilityChanged_revoker VisibilityChanged(auto_revoke_t, WindowVisibilityChangedEventHandler const& handler) const;
public event WindowVisibilityChangedEventHandler VisibilityChanged;
function onVisibilityChanged(eventArgs) { /* Your code */ }
window.addEventListener("visibilitychanged", onVisibilityChanged);
window.removeEventListener("visibilitychanged", onVisibilityChanged);
- or -
window.onvisibilitychanged = onVisibilityChanged;
Public Custom Event VisibilityChanged As WindowVisibilityChangedEventHandler 

Event Type

WindowVisibilityChangedEventHandler

Remarks

VisibilityChangedEventArgs includes a Boolean Visible property that you should check to determine the current visibility state.

Applies to