Indicates the operating system under which Zim:X is currently running.
$zimos
A number as stated below. It cannot be reset by an application program.
| Value | Operating System |
|---|---|
| 3 | All Linux Flavours |
| 11 | Microsoft Windows |
| 12 | Linux Running on Android |
Identifies the software that is currently being used.
$zimversion
A number. Cannot be reset by an application program.
The version number of the software currently being used (e.g., 5.002).
The error code returned from the SQL database.
$sqlerrcode
A number. Can be reset by an application program.
A numeric code returned from the SQL database for the last SQL statement executed. For explanation of these error codes, consult the documentation for the particular SQL server.
Indicates the number of records that meet the condition(s) specified in the most recent LOCATE command.
$located
A number. Can be reset by an application program.
The number of records that met the conditions specified in the most recent LOCATE command.
$LineNumber
The line number (int) of the current command in the currently executing program. It cannot be reset by an application program.
For commands that are continued over more than one line, $LineNumber refers to the last line of the command.
The error message returned from the SQL database.
$sqlerrmsg
A character string. Can be reset by an application program.
A character string, containing the message returned from the SQL database for the last SQL statement executed. For explanation of these error messages, consult the documentation for the particular SQL server.
A “false” value for comparison.
$false
Binary false (“0”). Cannot be reset by an application program.
A “false” value for comparisons in logic expressions.
if Event.ScrollingKey = $False ... commands ... endif
The current page number.
$page
A number. Can be reset by an application program.
During generation of a report, $Page tracks the current report page number. At the start of each report, $Page is initialized to 1. At the start of each new page in the same report, $Page is automatically incremented by 1.
Indicates a negative value (unary -) or subtracts one value from another.
[expression1] – expression2
The minus sign (-) subtracts the expression on the right from the expression on the left.
where
| expression1 | a number or expression that evaluates to a number |
| expression2 | a number or expression that evaluates to a number |
Arithmetic operators indicate the sign of a number or perform arithmetic operations (addition, subtraction, multiplication, division, exponentiation).
Obtain the name of the current event.
$ObjEventName
Returns a string.
COM objects are being discontinued by Microsoft and may not be available in future releases of Zim-X.
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