listbox_getnumitems.c

来自「STM32F103ZET6+UCOSII+UCGUI源码」· C语言 代码 · 共 53 行

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : LISTBOX_GetNumItems.c
Purpose     : Implementation of listbox widget
---------------------------END-OF-HEADER------------------------------
*/

#include "LISTBOX_Private.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       LISTBOX_GetNumItems
*/
unsigned LISTBOX_GetNumItems(LISTBOX_Handle hObj) {
  int r = 0;
  if (hObj) {
    LISTBOX_Obj* pObj;
    WM_LOCK();
    pObj = LISTBOX_H2P(hObj);
    ASSERT_IS_VALID_PTR(pObj);
    r = LISTBOX__GetNumItems(pObj);
    WM_UNLOCK();
  }
  return r;
}

#else                            /* Avoid problems with empty object modules */
  void LISTBOX_GetNumItems_C(void) {}
#endif

/*************************** End of file ****************************/