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Reference for unit 'sysutils' (#rtl)

GetEnvironmentVariableCount

Return the number of variables in the environment.

Declaration

Source position: osutilsh.inc line 28

function GetEnvironmentVariableCount: Integer;

Description

GetEnvironmentVariableCount returns the number of variables in the environment. The number is 1 based, but the result may be zero if there are no environment variables.

Errors

If there is no environment, -1 may be returned.

Example

{$h+}
program example92;

{ This program demonstrates the
  GetEnvironmentVariableCount function }

uses sysutils;

Var
  I : Integer;

begin
  For I:=1 to GetEnvironmentVariableCount do
    Writeln(i:3,' : ',GetEnvironmentString(i));
end.

GetEnvironmentString		Return an environment variable by index.
GetEnvironmentVariable		Return the value of an environment variable.

GetEnvironmentVariableCount

Declaration

Description

Errors

See also

Example