title: combobox disable edit and enable default selection c++ builder
body: <p>I'm using combobox and I would like to disable user from edit,thus, I set ComboBox's Style property to csDropDownList and also I would like to set text field in order to enable default selection.
  How can I do it?</p>
  
  <p>(used in borland c++ builder bcb6)</p>
  
  <p>Thanks!</p>