title: virtual keyboard wpf
body: <p>I am developing a WPF application that will need to a virtual keyboard .
  In addition, the application contains windows that need only numeric keyboard and other windows needed the hole keyboard (26 lettres + 10 numbers).
  I don't know if there is a tool that can do it or i must design my own keyboard.</p>
  
  <p>What is the best tool to accomplish this task? </p>