When CoCreateInstance is used to create a DirectSoundCapture object, the object must be initialized with the IDirectSoundCapture::Initialize method. Calling this method is not required when the DirectSoundCaptureCreate function is used to create the object.
HRESULT Initialize(
LPGUID lpGuid
);
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be one of the following error values:
DSERR_INVALIDPARAM
DSERR_NODRIVER
DSERR_OUTOFMEMORY
DSERR_ALREADYINITIALIZED
Windows NT: Use version 5.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in dsound.h.
Import Library: Use dsound.lib.