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The Initialize method initializes a capture device object created by using CoCreateInstance. Calling this method is not required when the DirectSoundCaptureCreate8 or DirectSoundFullDuplexCreate8 function is used to create the object.
HRESULT Initialize( LPCGUID pcGuidDevice );
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:
| Return code | 
| DSERR_INVALIDPARAM | 
| DSERR_NODRIVER | 
| DSERR_OUTOFMEMORY | 
| DSERR_ALREADYINITIALIZED | 
Header: Declared in Dsound.h.
Import Library: Use Dsound3d.dll.