public static extern int acmDriverEnum(acmDriverCallback fnCallback, int dwInstance, int fdwEnum);
public static extern int acmDriverEnum(acmDriverCallback fnCallback, int dwInstance, int fdwEnum);
public static extern int acmDriverEnum(acmDriverCallback fnCallback, int dwInstance, int fdwEnum);
public static extern int acmDriverEnum(acmDriverCallback fnCallback, int dwInstance, int fdwEnum);