The ID of this control. A value of @c wxID_ANY indicates a default value.
@param pos
The initial position.
+ If ::wxDefaultPosition is specified then a default position is chosen.
@param size
The initial size.
- If wxDefaultSize is specified then the window is sized appropriately.
+ If ::wxDefaultSize is specified then the window is sized appropriately.
@param n
Number of strings with which to initialise the control.
@param choices