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

You can set HorizontalAlignment to Left, set your MaxWidth and then bind Width to the ActualWidth of the parent element: