MMRESULT GetSoundDeviceFunctionTable(IN PSOUND_DEVICE SoundDevice, OUT PMMFUNCTION_TABLE *FunctionTable)
MMRESULT SetSoundDeviceFunctionTable(IN PSOUND_DEVICE SoundDevice, IN PMMFUNCTION_TABLE FunctionTable)
BOOLEAN IsValidSoundDevice(IN PSOUND_DEVICE SoundDevice)
#define VALIDATE_MMSYS_PARAMETER(parameter_condition)
#define MMSYSERR_INVALPARAM
static WLX_DISPATCH_VERSION_1_4 FunctionTable