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Stored procedures
Warning
From version 20, this feature is kept for backward compatibility. We recommend that you use the Associative arrays.
Checks the existence of a memory zone.
Versions 15 and later
Android This function is now available for the Android applications.
New in version 15
Android This function is now available for the Android applications.
Android This function is now available for the Android applications.
Versions 17 and later
iPhone/iPad This function is now available for the iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for the iPhone/iPad applications.
iPhone/iPad This function is now available for the iPhone/iPad applications.
Versions 18 and later
WINDEVWINDEV Mobile This function is now available in Windows Store apps mode.
Android Widget This function is now available in Android Widget mode.
New in version 18
WINDEVWINDEV Mobile This function is now available in Windows Store apps mode.
Android Widget This function is now available in Android Widget mode.
WINDEVWINDEV Mobile This function is now available in Windows Store apps mode.
Android Widget This function is now available in Android Widget mode.
Versions 22 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 22
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Example
// Checks the existence of "MyMemoryZone"
ResExist = MemExist("MyMemoryZone")
Syntax
<Result> = MemExist(<Name of Memory Zone>)
<Result>: Boolean
  • True if the memory zone exists,
  • False otherwise.
<Name of Memory Zone>: Character string (with quotes)
Name of memory zone, defined by MemCreate.
Remarks
To exist, a memory zone must have been created by MemCreate. A memory zone can be destroyed by MemDeleteAll.
Components
WINDEVWEBDEV - Server codeReports and Queries wd230std.dll
Java wd230java.jar
Linux wd230std.so
Android wd230android.jar
Minimum required version
  • Version 9
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