public static extern int mixerGetDevCaps(int uMxId, ref MIXERCAPS pmxcaps, int cbmxcaps);
public static extern int mixerGetDevCaps(int uMxId, ref MIXERCAPS pmxcaps, int cbmxcaps);
public static extern int mixerGetDevCaps(int uMxId, ref MIXERCAPS pmxcaps, int cbmxcaps);
public static extern int mixerGetDevCaps(int uMxId, ref MIXERCAPS pmxcaps, int cbmxcaps);