unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: TEdit;
Label1: TLabel;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function RandomStr(aLength : Longint) : string;
var
X : Longint;
begin
if aLength <= 0 then exit;
SetLength(Result, aLength);
for X:=1 to aLength do
Result[X] := Chr(Random(26) + 65);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
Edit1.Text := RandomStr(15);
end;
end.
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