4D v13.4
Count in array
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4D v13.4
Count in array
Count in array
| Count in array ( array ; value ) -> Function result | ||||||||
| Parameter | Type | Description | ||||||
| array | Array |
|
Array where count should occur | |||||
| value | Expression |
|
Value to count | |||||
| Function result | Longint |
|
Number of instances found | |||||
The Count in array command returns the number of times value is found in array.
This command can be used with the following array types: Text, Alpha, number, Date, Pointer and Boolean. The array and value parameters must be the same type or compatible.
If no element in array matches value, the command returns 0.
The following example allows displaying the number of selected lines in a list box:
`tBList is the name of a List box column array
ALERT(String(Count in array(tBList;True))+" line(s) selected in the list box")PROPERTIES
Product: 4D
Theme: Arrays
Number:
907
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Created: 4D 2004
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