is there a way to read windows environment variables?

Comments

• DonBakke

  October 21

  Depending on how new your OI is, the GetEnvironmentVariable function should be defined.
• rogercurtishall

  October 21

  Hi Don.
  I see that in the DLL_Kernel32, but it doesn't appear in the OI documentation. Am I missing it there?
  Thanks.
• DonBakke

  October 21

  I don't think the Win API functions are documented. I can't remember the exact calling syntax, but I imagine you just need to pass in the variable name, perhaps appended with Char(0).
• DonBakke

  October 21

  Actually, try this:
  
  mybuffer=STR(char(0),4096) result = GetEnvironmentVariable(Variable:char(0),mybuffer,4096) return mybuffer[1,result]
• rogercurtishall

  October 21

  Don,
  I just tried this, but am seeing null as the result. I ran this command in a dos window in my OI app directory:
  
  set uploads=C:\Temp
  
  Then added this code to my OI program:
  
  mybuffer = STR(char(0),4096)
  result = GetEnvironmentVariable('uploads':char(0),mybuffer,4096)
  uplPath = mybuffer[1,result]
  
  Am I doing something wrong? Thanks.
• DonBakke

  October 21

  Are you running the "Set" command from a different session than OpenInsight? My understanding is that "Set" only creates a temporary environment variable for that command prompt session.
• rogercurtishall

  October 21

  I am running it from a command prompt window. Len wants to be able to get such an environment variable if set, assuming it is possible.
• DonBakke

  October 21

  Are you running the Set command first and then launching OI from the same command prompt?
• rogercurtishall

  12:50PM

  No, I am running the set command in the Dos window, then launching OI via a bat file.
• DonBakke

  1:15PM

  That won't work for the reason I already gave you. How about calling SetEnvironmentVariable from within OI, such as when application starts up?