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  • Existence of memory area
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Stored procedures
Warning
From version 20, this feature is kept for backward compatibility. We recommend that you use Associative arrays.
Clears and deletes a memory zone.
Versions 15 and later
Android This function is now available for Android applications.
New in version 15
Android This function is now available for Android applications.
Android This function is now available for Android applications.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Android Widget This function is now available in Android widget mode.
New in version 18
Android Widget This function is now available in Android widget 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.
Versions 26 and later
Apple Watch This function is now available for Apple Watch applications.
New in version 26
Apple Watch This function is now available for Apple Watch applications.
Apple Watch This function is now available for Apple Watch applications.
Example
// Delete the memory area named "MyMemoryZone"
MemDeleteAll("MyMemoryZone")
Syntax
MemDeleteAll(<Memory area>)
<Memory area>: Character string
  • Name of the memory area to delete, defined by MemCreate.
  • "*" to delete all the memory areas created beforehand.
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 MemDeleteAll is used.
To check the existence of a memory area, use MemExist.
Business / UI classification: Neutral code
Component: wd270std.dll
Minimum version required
  • Version 9
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