The COMARRAY function's help file lists
0 The array is a zero-based array, and it is passed by value.
1 (Default) The array is a one-based array, and it is passed by value.
Compatible with earlier versions of Visual FoxPro.
10 The array is a zero-based array, and it is passed by reference.
11 The array is a one-based array, and it is passed by reference.
100 The array is a fixed size array and cannot be redimensioned.
1000 Byte arrays are not converted to strings.
The IntelliSense does not show the 3rd argument, 11.
FYI
Everything makes sense in someone's mind
public class SystemCrasher :ICrashable
In addition, an integer field is not for irrational people