public void NotifyCompositionCapabilitiesChanged(bool areEffectsSupported, bool areEffectsFast) { if (ContentFrame.Content is SampleHost host) { SamplePage page = (SamplePage)host.Content; page.OnCapabiliesChanged(areEffectsSupported, areEffectsFast); } }
private async void HandleCapabilitiesChangedAsync(CompositionCapabilities sender, object args) { _areEffectsSupported = _capabilities.AreEffectsSupported(); _areEffectsFast = _capabilities.AreEffectsFast(); if (_currentFrame.Content is SampleHost host) { SamplePage page = (SamplePage)host.Content; page.OnCapabiliesChanged(_areEffectsSupported, _areEffectsFast); } SampleDefinitions.RefreshSampleList(); // // Let the user know that the display config has changed and some samples may or may // not be available // if (!_areEffectsSupported || !_areEffectsFast) { string message; if (!_areEffectsSupported) { message = "Your display configuration may have changed. Your current graphics hardware does not support effects. Some samples will not be available"; } else { message = "Your display configuration may have changed. Your current graphics hardware does not support advanced effects. Some samples will not be available"; } var messageDialog = new MessageDialog(message); messageDialog.Commands.Add(new UICommand("Close")); // Show the message dialog await messageDialog.ShowAsync(); } }