How can used semantic zoom for 3 level in UWP?

Question

I want to use semantic zoom (or its effect) for selecting a location in my UWP Application.

I want to select the county first, and second select city, and third select t

Answer 1

I found my solution,

https://blogs.msdn.microsoft.com/shashankyerramilli/2014/02/14/implementing-a-custom-semantic-zoom-container

from this page, I understood that we can have a Grid in semantic zoom! I created a semantic zoom and in ZoomedInView add a SemanticGrid (that I've added like above link) and I add another semantic zoom into this SemanticGrid

now I have 3 level zoom and I'm happy :)