For example:
x := #123;
I tried to search around Google but I simply have no idea what this means.
+9
A:
IIRC it means a character value of the number (eg. #32 -> space).
jpalecek
2010-06-04 14:34:47
#123 is the same thing as Chr(123), except it's a literal character constant instead of a builtin system function (Chr).
Warren P
2010-06-04 15:27:07
+2
A:
It is an extention to standard Pascal, Borland Pascal accepts the pound sign ('#') followed immediately by a decimal number between 0 and 255 as a single character with that code.
SQLMenace
2010-06-04 14:36:07
Well, in Delphi 2009+ all strings are Unicode, so you are not restricted to codes between 0 and 255 any more. For example, #$222b is the integral sign. (In Delphi, $ is the hexadecimal prefix.)
Andreas Rejbrand
2010-06-04 14:48:53
You aren't restricted to that in prior versions, either, @Andreas. Delphi supported Unicode for more than a decade before Delphi 2009.
Rob Kennedy
2010-06-04 15:01:57
@Rob Kennedy: But you could not write Caption := #$222b and get an integral sign as the form's caption, right?
Andreas Rejbrand
2010-06-04 15:51:29
Yes, @Warren. Delphi 4 supported them, and that was released in 1998. Andreas, you're right.
Rob Kennedy
2010-06-04 17:52:33
+2
A:
It's character code. #97 is equivalent to 'a' etc etc
A chart can be see here.
CheesePls
2010-06-04 14:40:07
What does == mean? In Delphi, you use := for assignments and = when testing for equality. The operator == does not exist.
Andreas Rejbrand
2010-06-04 14:47:09
A:
As other have mentioned it's a character code, I most often see them used for line breaks in messages, or other control character such as Tab (#9)
ShowMessage('Error:'#13#10'Something terrible happened')
Strangely it's not necessary to concatinate a string involving these.
JamesB
2010-06-04 14:47:01