Practical development tips for Windows Phone (11): Align controls in stackpanel to the right

We often regard stackpanel as a "string", which can be either horizontal or vertical.

 

We set the horizontalalignment in the element to "right", which is useless. The element is right aligned.

 

If we want to align the elements in stackpanel to the right, and add the newly added elements to stackpanel to the left of the existing elements (instead of the default right), what should we do? In fact, we only need to add a grid outside and set the horizontalalignment of the grid to right. The final effect is as follows: