GetEnvironmentString function System Information routines

Unit

acUtils

Declaration

function GetEnvironmentString(const St: String): String;

Description

The GetEnvironmentString retrieves the string value of the specified environment variable of the Windows, from the environment block of the calling process. The St parameter identifies the variable.

Example

{ returns the searching pathes (SET PATH="...") }

SearchPathes := GetEnvironmentString('PATH');

Original code

function GetEnvironmentString(const St: String): String;

var Len: Integer;

begin

Result := '';

Len := GetEnvironmentVariable(PChar(St), nil, 0);

if Len = 0 then Exit;

SetLength(Result, Len - 1);

GetEnvironmentVariable(PChar(St), PChar(Result), Len);

end;

See also

SystemPathes property of the acSystemInfo component.