HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?

Question

This seems like it should be easy but I\'m stumped. In WPF, I\'d like a TextBox that stretches to the width of it\'s parent, but only to a maximum width. The problem is that

Answer 1

In my case I had to put textbox into a stack panel in order to stretch textbox on left side. Thanks to previous post. Just for an example I did set a background color to see what’s happens when window size is changing.