def RefreshBagSlotWindow(self):
        getItemVNum=player.GetItemIndex
        getItemCount=player.GetItemCount
        setItemVNum=self.wndItem.SetItemSlot

        for i in xrange(player.INVENTORY_PAGE_SIZE):
            slotNumber = self.__InventoryLocalSlotPosToGlobalSlotPos(i)

            itemCount = getItemCount(slotNumber)
            if 0 == itemCount:
                self.wndItem.ClearSlot(i)
                continue
            elif 1 == itemCount:
                itemCount = 0

            itemVnum = getItemVNum(slotNumber)
            setItemVNum(i, itemVnum, itemCount)

            if constInfo.IS_AUTO_POTION(itemVnum):
                metinSocket = [player.GetItemMetinSocket(slotNumber, j) for j in xrange(player.METIN_SOCKET_MAX_NUM)]

                if slotNumber >= player.INVENTORY_PAGE_SIZE*self.inventoryPageIndex:
                    slotNumber -= player.INVENTORY_PAGE_SIZE*self.inventoryPageIndex

                isActivated = 0 != metinSocket[0]

                if isActivated:
                    self.wndItem.ActivateSlotOld(slotNumber)
                    potionType = 0;
                    if constInfo.IS_AUTO_POTION_HP(itemVnum):
                        potionType = player.AUTO_POTION_TYPE_HP
                    elif constInfo.IS_AUTO_POTION_SP(itemVnum):
                        potionType = player.AUTO_POTION_TYPE_SP

                    usedAmount = int(metinSocket[1])
                    totalAmount = int(metinSocket[2])
                    player.SetAutoPotionInfo(potionType, isActivated, (totalAmount - usedAmount), totalAmount, self.__InventoryLocalSlotPosToGlobalSlotPos(i))

                else:
                    self.wndItem.DeactivateSlotOld(slotNumber)

            if app.ENABLE_SASH_SYSTEM:
                slotNumberChecked = 0
                if not constInfo.IS_AUTO_POTION(itemVnum):
                    self.wndItem.DeactivateSlot(i)

                for j in xrange(sash.WINDOW_MAX_MATERIALS):
                    (isHere, iCell) = sash.GetAttachedItem(j)
                    if isHere:
                        if iCell == slotNumber:
                            self.wndItem.ActivateSlot(i, (36.00 / 255.0), (222.00 / 255.0), (3.00 / 255.0), 1.0)
                            if not slotNumber in self.listAttachedSashs:
                                self.listAttachedSashs.append(slotNumber)

                            slotNumberChecked = 1
                    else:
                        if slotNumber in self.listAttachedSashs and not slotNumberChecked:
                            self.wndItem.DeactivateSlot(i)
                            self.listAttachedSashs.remove(slotNumber)

        self.wndItem.RefreshSlot()