synchronization object [closed]

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What is the advantage of using this type of object to lock?

Why would there be an advantage to a specific type of lock object? As the manual states:

Best practice is to define a private object to lock on, or a private static object variable to protect data common to all instances.

Can I manipulate the buffer while code is still in //——– this region ?

Yes, from the same thread the lock() statement was issued from. Other threads will have to wait there.

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