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how to get environment variables in delphi3

Posted on 1998-12-01
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Last Modified: 2010-04-04
How can I get the environment variables (e.g.: PATH or USERNAME) in a Delphi3-program ??? What is the function therfor?
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Question by:pman
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Accepted Solution

by:
mtieland earned 50 total points
ID: 1348746
The solution is as follows:

uses Windows

function TForm1.GetEnvVar(EnvName : EnvInp):string;
var EnvBuffP : array [0..255] of Char;
begin
   EnvBuffP:='';
   GetEnvironmentVariable(EnvName,EnvBuffP,30);
   GetEnvVar:=EnvBuffP;
end;

Good Luck

Martijn
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Expert Comment

by:mtieland
ID: 1348747
Forgot to tell you:

how to use the function:
type SET in a dosbox to find out the names of the EnvVars

Lets say you want the username:

var UserName : String;

UserName:=GetEnvVar('USERNAME');

Good Luck
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LVL 3

Expert Comment

by:williams2
ID: 1348748
..Wouldn't it be nice to now, which variables were available?

/Williams
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Expert Comment

by:mtieland
ID: 1348749
That was not the question I think? Williams
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Expert Comment

by:williams2
ID: 1348750
I know, that's why I asked pman. Maybe he didn't know it was possible :-)

Relax Martijn ..You answered his question, so you well enough deserve the credits!

/Williams
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