if app.WJ_ENABLE_TRADABLE_ICON:
		def CantTradableItem(self, destSlotIndex, srcSlotIndex):
			if True == exchange.GetAcceptFromTarget():
				return

			itemInvenPage = srcSlotIndex / player.INVENTORY_PAGE_SIZE
			localSlotPos = srcSlotIndex - (itemInvenPage * player.INVENTORY_PAGE_SIZE)
			self.lockedItems[destSlotIndex] = (itemInvenPage, localSlotPos)

			if self.wndInventory.GetInventoryPageIndex() == itemInvenPage and self.IsShow():
				self.wndInventory.wndItem.SetCantMouseEventSlot(localSlotPos)

		def RefreshLockedSlot(self):
			if self.wndInventory:
				for exchangePos, (itemInvenPage, itemSlotPos) in self.lockedItems.items():
					if self.wndInventory.GetInventoryPageIndex() == itemInvenPage:
						self.wndInventory.wndItem.SetCantMouseEventSlot(itemSlotPos)

				self.wndInventory.wndItem.RefreshSlot()

		def BindInterface(self, interface):
			self.interface = interface

		def SetInven(self, wndInventory):
			from _weakref import proxy
			self.wndInventory = proxy(wndInventory)