String. Compare usage

1. Console. writeline ("********************* string. compareto ()*********************");
2. String strtestcompare = "ABC ";
3. // Strtestcompare. compareto ("ABC") = 0
4. // Strtestcompare. compareto ("AB") = 1
5. // Strtestcompare. compareto ("A") = 1
6. // Strtestcompare. compareto ("B") =-1
7. // String. Compare ("ABC", "A") = 1
8. // String. Compare ("ABC", "AB") = 1
9. // String. Compare ("ABC", "ABC") = 0
10. // String. Compare ("ABC", "B") =-1
11. Console. writeline (string. Compare ("ABC", "ABC"). tostring ());
12. Console. writeline ("********************* string. compareto () ********* end **********");
13. // String. Compare from msdn
14. // Unsafe
15. //{
16. /// NULL terminated ASCII characters in an sbyte Array
17. // String szasciiupper = NULL;
18. // Sbyte [] sbarr1 = new sbyte [] {0x41, 0x42, 0x43, 0x00 };
19. /// Instruct the Garbage Collector not to move the memory
20. // Fixed (sbyte * pasciiupper = sbarr1)
21. //{
22. // Szasciiupper = new string (pasciiupper );
23. //}
24. // String szasciilower = NULL;
25. // Sbyte [] sbarr2 = {0x61, 0x62, 0x63, 0x00 };
26. /// Instruct the Garbage Collector not to move the memory
27. // Fixed (sbyte * pasciilower = sbarr2)
28. //{
29. // Szasciilower = new string (pasciilower, 0, sbarr2.length );
30. //}
31. /// Prints "ABC"
32. // Console. writeline (szasciiupper + "" + szasciilower );
34. /// Compare strings-the result is true
35. // Console. writeline ("the strings are equal when capitalized? "+
36. // (String. Compare (szasciiupper. toupper (), szasciilower. toupper () = 0? "True": "false "));
38. /// This is the valid tive equivalent of another compare method, which ignores case
39. // Console. writeline ("the strings are equal when capitalized? "+
40. // (String. Compare (szasciiupper, szasciilower, true) = 0? "True": "false "));
41. //}