title: How to move items in combo box using keyboard keys?
body: <p>Ex:
  Combo box1:</p>
  
  <p>Thanks Up and down arrow keys works when combo box has its focus. 
  But how can i use characters to select items on combo box.
  Ex: Apple,Banana,Orange are the items on combo box
  and when i got focus on it and i press A key on keyboard Combo box item will display Apple.</p>
  
  <p>Winforms..</p>