|Microsoft DirectX 9.0|
The Initialize method initializes a device object that was created by using the CoCreateInstance function.
HRESULT Initialize( LPCGUID pcGuidDevice );
Address of the globally unique identifier (GUID) specifying the sound driver to which this device object binds. Pass NULL to select the primary sound driver.
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be one of the error values shown in the following table.
This method is provided for compliance with the Component Object Model (COM) protocol. If the DirectSoundCreate8 function was used to create the device object, this method returns DSERR_ALREADYINITIALIZED. If IDirectSound8::Initialize is not called when using CoCreateInstance to create the device object, any method called afterward returns DSERR_UNINITIALIZED.
Header: Declared in dsound.h.