I have a set of user controls in my wpf form and want to give ability to user to resize them. Whenever a user clicks on a control total 8 boundary rectangles should appear a
What you want is to build a Resize Adorner. If you google it thou shallt find!
http://dvuyka.spaces.live.com/blog/cns!305B02907E9BE19A!144.entry
Don´t know if that´s the best sample around, but it´s a good start anyways!
/Simon