How to create a speech bubble in UWP?

Question

I\'m creating a chat application and would like to create the typical speech bubble that contains each message. I created a Path object in Blend (in XAML) like this:

Answer 1

You may use Polygon in combination with StackPanel:

which looks like this:

EDIT:

Version with border:

This is probably not the easiest and the best way how to do this, maybe Path will be better to do this, but it works: