title: propertygrid object with custom editor like a slider
body: <p>In my windowsForm application I use a PropertyGrid to edit the instances of my class: some of these properties are floating point with maximum and minimum item.</p>
  
  <p>I wish modify them by a slider or something like it.</p>
  
  <p>I've found this: <a href="http://www.visualhint.com/propertygrid" rel="nofollow">http://www.visualhint.com/propertygrid</a> but is not free..</p>
  
  <p>do you have an idea to help me?</p>