More advanced attached property use: the Ramora pattern

posted by  techgeek (12)  15 months ago (blogs.msdn.com)

I like to think of the technique I am about to demonstrate as the Ramora pattern - it allows you to attach a chunk of logic to any existing element that you have.

The RadialPanel example showed an example of storing information on an element using attached properties. In that example, we did not need to know when the property changed because we used the appropriate metadata to tell WPF that it affected the arrange part of the parent's layout.

What we will build now is a simple app