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Help / WLanguage / WLanguage functions / Standard functions / Memory area functions
  • Calling MemFound
  • Checks
  • Existence of memory area
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Stored procedures
MemFound (Function)
In french: MemTrouve
Warning
From version 20, this feature is kept for backward compatibility. We recommend that you use Associative arrays.
Checks whether the sought element was found.
Example
// Was the element found in the memory area named "MemoryZone"?
ResFound = MemFound("MemoryZone")
Syntax
<Result> = MemFound(<Memory area>)
<Result>: Boolean
  • True if the element was found,
  • False otherwise.
<Memory area>: Character string
Name of the memory area, defined by MemCreate.
Remarks

Calling MemFound

MemFound must be called after MemNext, MemPrevious, MemSeek, MemFirst and MemLast.

Checks

MemFound cannot be used to perform a check several times in a row. For example, MemFound cannot be used as follows:
MemSeek("DayZone", SoughtValue)
WHILE MemFound("DayZone") = True
MemNext("DayZone")
END
Indeed, the searches performed in a memory area are exact-match searches. In this case, MemFound and MemOut have the same behavior.
In our example, MemFound returns False (the end of the memory area is not reached). The following searches will not be performed.

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 MemFound is used.
To check the existence of a memory area, use MemExist.
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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