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Generating a GUID (again)
  1. New
  2. How-to
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  1. Marco Meoni
  2. PowerBuilder
  3. Friday, 16 May 2025 10:46 AM UTC

Hello,

I've copied this script from René Ullrich for generating a GUID: https://community.appeon.com/qna/q-a/generating-a-guid

  • Running in PB IDE (2022, 2025, whatever), 32bit mode. Working ok.
  • Running in PB IDE, 64bit mode: "Error calling external function function %s, at line 20...".  This is a common error due to 32/64 bit datatypes change, it happens in CopyMemory().

I've applied the usual PB changes, from

Subroutine CopyMemory ( Ref string Destination, ulong Source, long Length ) Library  "kernel32.dll" Alias For "RtlMoveMemory"

to

Subroutine CopyMemory ( Ref string Destination, Longptr Source, long Length ) Library  "kernel32.dll" Alias For "RtlMoveMemory;Ansi"

and few variants.

Not working.

As much as I can try to investigate on the correct 64bit signature (MS Win32 API doc, kernel32.dll from system32/SysWOW64, DLL viewer tools, etc...) PB IDE 64 is still refusing to work.

Any help would be appreciated.

Best,

.m

Export JSON file in UTF8 format without BOM Native PDF - Include fonts option - PB2022
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