# Class: BackpackItemCountChangeEvent
• BackpackItemCountChangeEvent()
背包物品数量更新事件
# Properties
# Readonly currentValue
• currentValue: ReadonlyClone‹Long›
Inherited from AccountUpdateEvent.currentValue
数据改变后的值
Returns: ReadonlyClone‹Long›
# Readonly id
• id: Long
物品唯一 ID
Returns: Long
# Readonly itemId
• itemId: number
物品 ID
deprecated use typeId instead. shall be removed in 0.4.
Returns: number
# Readonly itemUid
• itemUid: Long
物品唯一 ID
deprecated use id instead. shall be removed in 0.4.
Returns: Long
# Readonly positions
• positions: keyof BackpackItemPosition[]
(事件发生时)该物品所属的背包及其位置
Returns: keyof BackpackItemPosition[]
# Readonly previousValue
• previousValue: ReadonlyClone‹Long›
Inherited from AccountUpdateEvent.previousValue
数据改变前的值
Returns: ReadonlyClone‹Long›
# Readonly type
• type: BackpackItemCountChangeEventType
Inherited from AccountDisplacedEvent.type
事件类型，由具体的事件构造时提供
Returns: BackpackItemCountChangeEventType
# Readonly typeId
• typeId: number
物品 ID
Returns: number