Usr_MinMax

SUMMARY

Usr_MinMax - Compares inputs against values

SYNTAX

Usr_MinMax (MinVal,MinMessage,MaxVal,MaxMessage)

ARGUMENTS

MinVal
lower Limit
MinMessage
Message Id for the lower Limit
Maxwert
upper Limit
MaxMessage
Message Id for the upper Limit

RETURN VALUE

0: Value is outside the defined Limits
1: Value is inside the defined Limits

DESCRIPTION

The entry made is compared against the defined upper und lower limit.
If the entry made falls below the lower Limit the message defined by MinMessage is displayed in the status line.
If the entry exceeds the upper Limit the message for MaxMessage is displayed.
In both cases the entry is rejected.

Preconditions:
The appropriate MessageIDs with the according Messages must exist, or have to be created via the AvEt .

EXAMPLES

Usr_MinMax(1,min,50,max)

On an input lower than 1 the message defined for “min” is displayed;
e.g. “input value too low”.

On an input higher than 50 the message defined for “max” is displayed;
e.g. “input value too high”.

Note:
If an entry field should be checked for the time e.g. 3:30 ( 3 minutes, 30 seconds)it must be entered in seconds (210)

Syntax Notation
[aaa]
aaa is optional (zero or one occurences)
(aaa|bbb)
aaa exclusive or bbb
(aaa)*
aaa may occur indefinitely often or may be omitted
(aaa)+
aaa may occur indefinitely often but at least once
(aaa)m..n
aaa may occur from m to n times