title: How to add Filter to my Combo?
body: <p>I have a SWT combo box which has items more than 100.</p>
  
  <p>For more efficient selecting, I want to add filter on combo box.</p>
  
  <p>I have searched for this, but I cannot find appropriate comments.</p>
  
  <p>Please let me know what is the best way for this.</p>
  
  <p>Thanks.</p>