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删除一个 QAMessage 对象。
public virtual void deleteMessage(QAMessage * msg)
msg 要删除的消息。
缺省情况下,关闭 QAManagerBase 时自动删除由 QAManagerBase::createTextMessage 或 QAManagerBase::createBinaryMessage 创建的消息。此方法允许对何时删除消息进行更多的控制。