给 Memo 排序的函数

本例效果图:

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代码文件:

---

unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls;



type

  TForm1 = class(TForm)

    Memo1: TMemo;

    Button1: TButton;

    procedure Button1Click(Sender: TObject);

    procedure FormCreate(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



{给 Memo 排序的函数}

procedure SortMemo(const m: TMemo);

begin

  with TStringList.Create do

  begin

    Sorted := True;

    Text := m.Text;

    m.Text := Text;

    Free;

  end;

end;



{测试}

procedure TForm1.FormCreate(Sender: TObject);

begin

  Memo1.Align := alLeft;

  Memo1.Lines.CommaText := 'zzz,xxx,yyy,aaa,ccc,bbb,333,222,111';

  Button1.Caption := '排序';

end;



procedure TForm1.Button1Click(Sender: TObject);

begin

  SortMemo(Memo1);

end;



end.


 
   

窗体文件:

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object Form1: TForm1

  Left = 0

  Top = 0

  Caption = 'Form1'

  ClientHeight = 143

  ClientWidth = 166

  Color = clBtnFace

  Font.Charset = DEFAULT_CHARSET

  Font.Color = clWindowText

  Font.Height = -11

  Font.Name = 'Tahoma'

  Font.Style = []

  OldCreateOrder = False

  Position = poDesktopCenter

  OnCreate = FormCreate

  PixelsPerInch = 96

  TextHeight = 13

  object Memo1: TMemo

    Left = 0

    Top = 8

    Width = 73

    Height = 89

    Lines.Strings = (

      'Memo1')

    TabOrder = 0

  end

  object Button1: TButton

    Left = 79

    Top = 32

    Width = 75

    Height = 25

    Caption = 'Button1'

    TabOrder = 1

    OnClick = Button1Click

  end

end