(svn r14680) -Feature(ette) [FS#2434]: Use property 4 (model life) also for wagons.
Setting property 4 to 0xFF will protect the vehicle (engine or wagon) from expireing. (Necessary since early introduction dates)
Savegames will only be affected after 'resetengines'.
/* $Id$ */
/** @file dropdown_func.h Functions related to the drop down widget. */
#ifndef WIDGETS_DROPDOWN_FUNC_H
#define WIDGETS_DROPDOWN_FUNC_H
/* Show drop down menu containing a fixed list of strings */
void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width = 0);
/* Hide drop down menu of a parent window */
void HideDropDownMenu(Window *pw);
#endif /* WIDGETS_DROPDOWN_FUNC_H */