-1  | The search panel never appears on top of the List-Box, even if the user presses Ctrl-F.  | 
0  | The search panel appears on top of the List-Box when the user presses Ctrl-F. This is the default behavior. Clearing the List-Box content with the Reset-List property removes the panel.  | 
1  | The search panel is always visible on top of the List-Box. The user can’t remove it, only the program can remove it by setting this property to 0 or -1.  Clearing the List-Box content with the Reset-List property clears the content of the search field.  |