WPF: Setting the Width (and Height) as a Percentage Value

Question

Say I want a TextBlock to have its Width equal to it\'s Parent container\'s Width (ie, stretch from side to side) or a percentage of

Answer 1

You can put the textboxes inside a grid to do percentage values on the rows or columns of the grid and let the textboxes auto-fill to their parent cells (as they will by default). Example:

This will make #1 2/5 of the width, and #2 3/5.