You should use this method to free the underlying COM object that holds references to resources in a timely manner or when objects must be freed in a specific order.
应及时(或者在对象按指定的顺序必须释放时)使用此方法，来释放引用某些资源的基础COM对象。
You should use this method to free the underlying COM object that holds references to resources in a timely manner or when objects must be freed in a specific order.
应及时(或者在对象按指定的顺序必须释放时)使用此方法，来释放引用某些资源的基础COM对象。
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