ө өң . ListBox .
(10) ә , ң .
.
1.ң ғ D:\My Project\LBOX құ.
2. File/New/Application қ ң .
3. Standard Form1 ғ ң. : Edit, Button, ListBox.
4. қ Edit1 Text қ қ. ғ Captionқ ң ә : , ң ғ - .
5. Interfaceө қ ә ө ө:
A: array [110] of integer;
I, min, max, Imax, imin: integer;
6. Form1 , On Create қғ ғ құ: I: =0
ListBox1. Clear ListBox2. Clear;
7. қ ә On Click қғ ң:
ListBox1. Items. Add (Edit. Text); I: =I+1;
A [I]: =StrToInt (Edit. Text); Edit1. Set Focus
8. қ -қғ ұ ә :
max:=a[1];
imax:=1;
min:=a[1];
imin:=1;
for k:=2 to 10 do begin
if max<a[k] then begin max:=a[k]; imax:=k
end;
if min>a[k] then begin min:=a[k]; imin:=k
end;
end;
a[imax]:=min;
a[imin]:=max; for k:=1 to 10 do
ListBox2.Items.Add(IntToStr(a[k]));
9. Edit 1 ң ү OnKeyDown қғ қ құ ұ өң құ.Enter қ ң ө:
If key=13 then Button1. Set Focus
10. File/Save All ққ.
11. F9 қ ғ . қ ң ғ Enter- . ң ө ұ. қ қ ә .
ң қң қ ө. unit LBox;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;
type
TForm1 = class(TForm) ListBox1: TListBox; ListBox2: TListBox; Button1: TButton; Button2: TButton;
procedure Button1Click(Sender: TObject); procedure FormCreate(Sender: Tobject); procedure Button2Click(Sender: TObject);
procedure Edit1KeyDown(Sender: TObject; var Key: Word; Shift: TShiftState); procedure Edit1Change(Sender: TObject);
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private
{ Private declarations } public
{ Public declarations } end;
var
Form1: TForm1; a:array[1..10] of integer; i,min,max,imax,imin:integer;
implementation
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject); begin
ListBox1.Items.Add(Edit1.Text); i:=i+1; a[i]:=StrToInt(Edit1.Text); Edit1.SetFocus
end;
procedure TForm1.FormCreate(Sender: TObject); begin
i:=0;
ListBox1.Clear
ListBox2.Clear;
end;
procedure TForm1.Button2Click(Sender: TObject); var k:integer;
begin max:=a[1]; imax:=1; min:=a[1]; imin:=1;
for k:=2 to 10 do begin
if max<a[k] then begin max:=a[k]; imax:=k
end;
if min>a[k] then begin min:=a[k]; imin:=k
end;
end;
a[imax]:=min;
a[imin]:=max; for k:=1 to 10 do
ListBox2.Items.Add(IntToStr(a[k]));
end;
procedure TForm1.Edit1KeyDown(Sender: Tobject:var Key: Word; Shift:TShiftstate);
begin
If key = 13 then Button1.SetFocus end;
procedure TForm1.Edit1Change(Sender: TObject); begin
if key = 13 then Button1.SetFocus end;
end.
