string must be one of the valid choices if it is not empty.
@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
/**
Sets the text for the combobox text field.
+ Notice that this method will generate a wxEVT_COMMAND_TEXT_UPDATED
+ event, use wxTextEntry::ChangeValue() if this is undesirable.
+
@note For a combobox with @c wxCB_READONLY style the string must be in
the combobox choices list, otherwise the call to SetValue() is
ignored.