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procedure TForm1.FileNewExecute(Sender: TObject);
 
var
n:integer;
begin
n:=0;
n:=n+1;
form1.caption:='New-'+inttostr(n);
RichEdit1.Clear;
FileName:='New-'+inttostr(n)+'.txt';
StatusBar1.Panels[0].Text:=FileName;
end;

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
 
type
  TForm1 = class(TForm)
  private
    { Private declarations }
    n2: integer;
  public
    { Public declarations }
    n3: integer;
  end;
 
var
  Form1: TForm1;
  n: integer;
 
implementation
 
var n1: integer

var
  n: integer = 0;
implementation
 
procedure TForm1.FileNewExecute(Sender: TObject);
begin
  n:=n+1;
  form1.caption:='New-'+inttostr(n);
  RichEdit1.Clear;
  FileName:='New-'+inttostr(n)+'.txt';
  StatusBar1.Panels[0].Text:=FileName;
end;

var
  The_biggest_name_of_variable_in_this_cruel_world: integer = 0;
implementation
 
procedure TForm1.FileNewExecute(Sender: TObject);
begin
  inc(The_biggest_name_of_variable_in_this_cruel_world);
  form1.caption:='New-'+inttostr(The_biggest_name_of_variable_in_this_cruel_world);
  RichEdit1.Clear;
  FileName:='New-'+inttostr(The_biggest_name_of_variable_in_this_cruel_world)+'.txt';
  StatusBar1.Panels[0].Text:=FileName;
end;