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- Existence of memory area
- Sorting the elements
MemModify (Function) In french: MemModifie
 Warning
From version 20, this feature is kept for backward compatibility. We recommend that you use Associative arrays.
Modifies an element in a memory area.
// Resets to 0 all the values greater than 100
// in "MyMemoryZone"
FOR Subscript = 1 _TO_ MemCount("MyMemoryZone")
ResValue = MemRetrieve("MyMemoryZone", Subscript)
IF ResValue > 100 THEN MemModify("MyMemoryZone", 0, 0, Subscript)
END
Syntax
MemModify(<Memory area> , <Modified Value> , <Return value> , <Subscript>)
<Memory area>: Character string Name of the memory area, defined by MemCreate. <Modified Value>: Character string, integer or real Value that is modified in the memory area. This value corresponds to the sort argument used by MemSort. This value is returned by MemKeyVal. <Return value>: Character string Value returned by MemRetrieve or MemSetPosition. <Subscript>: Integer Index of the element to be modified. The index of an element is returned by MemCurrent or MemSeek. Remarks Existence of memory area The existence of the memory area is not checked. If the specified memory area does not exist, a WLanguage error occurs when MemModify is used. To check the existence of a memory area, use MemExist. The element modified in the memory area is not sorted. To sort the entire memory area, use MemSort. Business / UI classification: Neutral code
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