public static extern void ReportPythagorasBack(double a, double b, TriangleCallback callback);
private static extern void ReportPythagorasBack(double a, double b, TriangleCallback callback);
public static extern void ReportPythagorasBack(double a, double b, TriangleCallback callback);
private static extern void ReportPythagorasBack(double a, double b, TriangleCallback callback);