LayoutAwarePage随附项目模板，该模板提供可视状态，可用于根据ApplicationView更改布局(填充，捕捉等).如果需要，可以扩展该外观覆盖InvalidateVisualState的行为.

Project Templates comes with LayoutAwarePage that provides visual states you can use to change layout according to ApplicationView (Filled, Snapped etc...) If needed you could extend that behavior there overriding InvalidateVisualState.