Delphi p backup

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Image1: TImage;
    Button2: TButton;
    Button3: TButton;
    Label1: TLabel;
    Label2: TLabel;
    Button4: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  a:Array[1..10] of Integer;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
  var i:Integer;
begin
Image1.Canvas.Rectangle(0,0,Image1.Width,Image1.Height);
Randomize;
for i:=1 to 10 do
begin
a[i]:=random(50);
Image1.Canvas.Textout(20+i*20,20,inttostr(a[i]));
end;
end;

procedure TForm1.Button2Click(Sender: TObject);
var o:Integer;
begin
      for o:=1 to 10 do
      begin
      if a[o] mod 2=0 then
      Image1.Canvas.Font.Color:=clred
      else
      Image1.Canvas.Font.Color:=clblue;
      Image1.Canvas.TextOut(20+o*20,20,inttostr(a[o]));
end;
end;

procedure TForm1.Button3Click(Sender: TObject);
var q:integer;
var min:integer;
var max:integer;
var ox:integer;
begin
min:=50;
max:=0;
      for q:=1 to 10 do begin
      if a[q]>max then max:=a[q];
      if a[q]<min then min:=a[q];
      Label1.Caption:=(' Biggast is '+inttostr(max)+' lowast is '+inttostr(min));
           ox:=ox+a[q];
     Label2.Caption:=(inttostr(ox));

end;
end;

procedure TForm1.Button4Click(Sender: TObject);
var c:integer;
begin

end;

end.