public static extern int mixerSetControlDetails(IntPtr hmxobj, ref MIXERCONTROLDETAILS64 pmxcd, MIXER_SETCONTROLDETAILSFLAG fdwDetails);
public static extern int mixerGetControlDetails(IntPtr hmxobj, ref MIXERCONTROLDETAILS64 pmxcd, uint fdwDetailsmixer);
public static extern int mixerGetControlDetails(IntPtr hmxobj,ref MIXERCONTROLDETAILS64 pmxcd, uint fdwDetailsmixer);