I have 2 columns in a Grid. When I click a button, I want the first column to animate to the left from it\'s current position to 0. So, in effect, it collapses and I\'m le
You can also achieve this with GridLength animation , see an example here http://marlongrech.wordpress.com/2007/08/20/gridlength-animation/ Using this approach you can manipulate any given Grid.Column or Grid.Row size.
For your special need just put first column with Width="Auto" and second with *, animate the with of the content inside the first column- that will do the trick.