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Help / WLanguage / WLanguage functions / Standard functions / Memory area functions
  • Existence of memory area
  • Calling MemKeyVal
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Stored procedures
Warning
From version 20, this feature is kept for backward compatibility. We recommend that you use Associative arrays.
Returns the value (added or modified by MemAdd or MemModify) of the current element in a memory area.
Example
// Retrieve the value of the current element
// in "MyMemoryZone"
ResValue = MemKeyVal("MyMemoryZone")
Syntax
<Result> = MemKeyVal(<Memory area>)
<Result>: Character string
Value added by MemAdd or modified by MemModify.
<Memory area>: Character string
Name of the memory area, defined by MemCreate.
Remarks

Existence of memory area

The existence of the memory zone is not checked.
If the specified memory area does not exist, a WLanguage error occurs when MemKeyVal is used.
To check the existence of a memory area, use MemExist.

Calling MemKeyVal

MemKeyVal must be called after MemSeek, MemSetPosition, MemFirst, MemLast, MemPrevious and MemNext.
Business / UI classification: Neutral code
Component: wd290std.dll
Minimum version required
  • Version 9
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Last update: 05/26/2022

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