Powerbuilder Setting Environment variables in Windows 7

Posted on 2011-02-22
Last Modified: 2013-12-26

We define a local external function in a window below as

//Local External function
Function Boolean SetEnvironmentVariableA(String lpName, String lpValue) Library "kernel32.dll"

and then in a script call as
Boolean            lbl_ret       = TRUE
String             ls_envname
String            ls_version

ls_version      =      "1.0"
ls_env_name = "TESTENV"

lbl_ret = SetEnvironmentVariableA ( ls_envname, ls_version )

This works on XP, but not with Windows 7.
i.e The environment variable is created in XP, but  not in Windows 7.

Any help on how to create an environment variable from Powerbuilder in Windows 7 very much appreciated. ( Please note, for security reasosn, we are unable to use the RegistrySet function )

Running Powerbuilder 10.5.2 Build 7826

Question by:cintra
  • 2
LVL 19

Accepted Solution

elimesika earned 150 total points
ID: 34957019
In windows 7 this function is in

Function Boolean SetEnvironmentVariableA(String lpName, String lpValue) Library "api-ms-win-core-processenvironment-l1-1-0.dll"

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Assisted Solution

kmanoharnaik earned 100 total points
ID: 34958084

if it works in XP, not in WIndows 7, try adding alias name as below

alias for "SetEnvironmentVariableA;Ansi"

i am not sure if it works.

Please let me know if it works.


Author Comment

ID: 34959106
Thanks for both replies. Will check them both out and let you know the outcome, as well as awarding points.

Author Comment

ID: 34969760
The "SetEnvironmentVariableA;Ansi" did not work, though the use of the Ansi at the end was very useful info.


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