public void Detach()
{
if (_disposables != null)
{
var layer = ChromeOverlayLayer.GetOverlayLayer(_hostWindow);
layer?.Children.Remove(this);
_disposables.Dispose();
_disposables = null;
}
}
public void Attach()
{
if (_disposables == null)
{
var layer = ChromeOverlayLayer.GetOverlayLayer(_hostWindow);
layer?.Children.Add(this);
if (_hostWindow != null)
{
_disposables = new CompositeDisposable
{
_hostWindow.GetObservable(Window.WindowDecorationMarginProperty)
.Subscribe(x => UpdateSize()),
_hostWindow.GetObservable(Window.ExtendClientAreaTitleBarHeightHintProperty)
.Subscribe(x => UpdateSize()),
_hostWindow.GetObservable(Window.OffScreenMarginProperty)
.Subscribe(x => UpdateSize()),
_hostWindow.GetObservable(Window.WindowStateProperty)
.Subscribe(x =>
{
PseudoClasses.Set(":minimized", x == WindowState.Minimized);
PseudoClasses.Set(":normal", x == WindowState.Normal);
PseudoClasses.Set(":maximized", x == WindowState.Maximized);
PseudoClasses.Set(":fullscreen", x == WindowState.FullScreen);
})
};
_captionButtons?.Attach(_hostWindow);
}
UpdateSize();
}
}
