unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TArrInt = array of Integer;
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure ChangeLength(var a: TArrInt
const Len: Integer);
begin
SetLength(a, Len)
end;
procedure TForm1.Button1Click(Sender: TObject);
var
a: TArrInt;
begin
ChangeLength(a, 10);
ShowMessage(IntToStr(Length(a)))
end;
end.