Constants are a special type of variable, and are based on the same working principle. The difference is that they have permanent names and their content is automatically computed by n2pdf, which means it cannot be set from outside. Constants are inserted where placeholders are found in the PDF.
Example for a constant in a RichText field
Page [ACTPG] of [SUMPG]
|
You cannot use any names for variables that are already assigned to constants. |
The following constants can be used in the body field and in headers and footers:
[ACTPG] |
Current page number |
1 |
[SUMPG] |
Number of pages |
10 |
[DATETIME] |
Current date and time |
11/28/2003 16:21:40 |
[DATES] |
Current date in short form |
11/28/2003 |
[DATEL] |
Current date in long form |
Friday, 28 November 2003 |
[TIMES] |
Current time in short form |
16:21 |
[TIMEL] |
Current time in long form |
16:21:40 |
[DAYS] |
Current day without preceding zero |
5 |
[DAYL] |
Current day with preceding zero |
05 |
[DAYNAMES] |
Current day name in short form |
Fr |
[DAYNAMEL] |
Current day name in long form |
Friday |
[MONTHS] |
Current month without preceding zero |
5 |
[MONTHL] |
Current month with preceding zero |
05 |
[MONTHNAMES] |
Current month name in short form |
Nov |
[MONTHNAMEL] |
Current month name in long form |
November |
[YEARS] |
Current two-digit year |
03 |
[YEARL] |
Current four-digit year |
2003 |
[CWS] |
Current calendar week without preceding zero |
8 |
[CWL] |
Current calendar week with preceding zero |
08 |
[HOURS] |
Current hour without leading zero |
4 |
[HOURL] |
Current hour with leading zero |
04 |
[MINUTES] |
Current minute without leading zero |
6 |
[MINUTEL] |
Current minute with leading zero |
06 |
[SECONDS] |
Current second without leading zero |
9 |
[SECONDL] |
Current second with leading zero |
09 |
[CRLF] |
Line break |
|
[NEWPG] |
Page break |
|
Please keep in mind that some values for the constants depend on the system's regional settings, which means that in certain circumstances they may produce different results. |