Window identifier. A value of -1 indicates a default value.
@param pos
Window position.
+ If ::wxDefaultPosition is specified then a default position is chosen.
@param size
- Window size. If wxDefaultSize is specified then the window is sized appropriately.
+ Window size.
+ If ::wxDefaultSize is specified then the window is sized appropriately.
@param n
Number of strings with which to initialise the control.
@param choices