title: How would i go about doing the class library and inserting it into my main form, preferably with an example?
body: <p>Wpf and class libraries</p>
  <p><a href="https://i.stack.imgur.com/Qixhg.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Qixhg.jpg" alt="Wpf and class libraries" /></a></p>
  <p>So basically I have created a WPF form as required, but I'm not sure how to do the class library and what to exactly do in the library and insert it into the WPF and use it. If anyone could help I'd really appreciate it. Thank you</p>