private int Verify(IntPtr queryTemplate, IntPtr referenceTemplate, out int verifyScore, int context) { int errorCode = 0; try { errorCode = GrFingerprintProxy.GrVerify(queryTemplate, referenceTemplate, out verifyScore, context); } catch (AccessViolationException exception) { FingerprintException exception2 = new FingerprintException(-113, exception); throw exception2; } FingerprintException.CheckError(errorCode); return(errorCode); }