DirectX SDK

DirectSound.DuplicateSoundBuffer

The DirectSound.DuplicateSoundBuffer method creates a new DirectSoundBuffer object that uses the same buffer memory as the original object.

object.DuplicateSoundBuffer( _
    original As DirectSoundBuffer) _
    As DirectSoundBuffer

Parameters

object
Object expression that resolves to a DirectSound object.
original
The DirectSoundBuffer object to be duplicated.

Return Values

If the method succeeds, a DirectSoundBuffer is returned.

Error Codes

If the method fails, an error is raised and Err.Number may be one of the following error values:

DSERR_ALLOCATED
DSERR_INVALIDCALL
DSERR_INVALIDPARAM
DSERR_OUTOFMEMORY
DSERR_UNINITIALIZED

Remarks

The new object can be used just like the original.

Initially, the duplicate buffer will have the same parameters as the original buffer. However, the application can change the parameters of each buffer independently, and each can be played or stopped without affecting the other.

If data in the buffer is changed through one object, the change will be reflected in the other object because the buffer memory is shared.

The buffer memory will be released when the last object referencing it is released.

Applications cannot assume that an attempt to duplicate a sound buffer will always succeed. In particular, DirectSound will not create a software duplicate of a hardware buffer.

Note that you cannot duplicate the primary sound buffer.

See Also

DirectSound.CreateSoundBuffer, DirectSound.CreateSoundBufferFromFile, DirectSound.CreateSoundBufferFromResource