WPF Window Event 발생 순서

Application Startuip and MainWindow is Shown

Application.Startup Window.Initialized Window.IsVisibleChanged Window.SizeChanged Window.LayoutUpdated Window.SourceInitialized Application.Activated Window.Activated Window.PreviewGotKeyboardFocus Window.IsKeyboardFocusWithinChanged Window.IsKeyboardFocusedChanged Window.GotKeyboardFocus Window.LayoutUpdated Window.Loaded Window.ContentRendered

Application Shutdown Sequence

Window.Closing Window.IsVisibleChanged Window.Deactivated Application.Deactivated Window.IsKeyboardFocusWithinChanged Window.IsKeyboardFocusedChanged Window.LostKeyboardFocus Window.Closed Application.Exit

Window loses focus (switched to other application)

Window.Deactivated Application.Deactivated Window.IsKeyboardFocusWithinChanged Window.IsKeyboardFocusedChanged Window.LostKeyboardFocus

When application/window gains focus (user switches back to application):

Application.Activated Window.Activated Window.PreviewGotKeyboardFocus Window.IsKeyboardFocusWithinChanged Window.IsKeyboardFocusChanged Window.GotKeyboardFocus