使用 TListView 控件(4)

本例效果图:

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代码文件:

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unit Unit1;



interface



uses

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

  Dialogs, StdCtrls, ComCtrls;



type

  TForm1 = class(TForm)

    ListView1: TListView;

    Button1: TButton;

    CheckBox1: TCheckBox;

    procedure FormCreate(Sender: TObject);

    procedure ListView1Change(Sender: TObject; Item: TListItem;

      Change: TItemChange);

    procedure CheckBox1Click(Sender: TObject);

    procedure Button1Click(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



procedure TForm1.FormCreate(Sender: TObject);

const

  ps: array[0..7, 0..2] of string = (

    ('赵', '男', '88'),

    ('钱', '男', '77'),

    ('孙', '女', '66'),

    ('李', '男', '55'),

    ('周', '女', '44'),

    ('吴', '女', '33'),

    ('郑', '男', '22'),

    ('王', '男', '11'));

var

  i: Integer;

  Item: TListItem;

  Column: TListColumn;

begin

    ListView1.Align := alTop;

    ListView1.ViewStyle := vsReport;

    ListView1.GridLines := True;

    ListView1.Checkboxes := True; {显示复选框}



    Column := ListView1.Columns.Add;

    Column.Caption := '姓名';

    Column.Width := ListView1.Width div 4;



    Column := ListView1.Columns.Add;

    Column.Caption := '性别';

    Column.Width := ListView1.Width div 4;



    Column := ListView1.Columns.Add;

    Column.Caption := '年龄';

    Column.Width := ListView1.Width div 4;



  for i := Low(ps) to High(ps) do

  begin

    Item := ListView1.Items.Add;

    Item.Caption := ps[i][0];

    Item.SubItems.Add(ps[i][1]);

    Item.SubItems.Add(ps[i][2]);

  end;



  CheckBox1.Caption := 'RowSelect';

  Button1.Caption := '显示复选的项';

end;



procedure TForm1.ListView1Change(Sender: TObject; Item: TListItem;

  Change: TItemChange);

begin

  if Item.SubItems.Count > 0 then

    Text := Format('%s: %s, %s', [Item.Caption, Item.SubItems[0], Item.SubItems[1]]);

end;



procedure TForm1.Button1Click(Sender: TObject);

var

  Item: TListItem;

  str: string;

begin

  str := '';

  for Item in ListView1.Items do

    if Item.Checked then

      str := str + Item.Caption + sLineBreak;

  ShowMessage(TrimRight(str));

end;



procedure TForm1.CheckBox1Click(Sender: TObject);

begin

  ListView1.RowSelect := CheckBox1.Checked;

end;



end.


 
   

窗体文件:

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object Form1: TForm1

  Left = 0

  Top = 0

  Caption = 'Form1'

  ClientHeight = 156

  ClientWidth = 259

  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 ListView1: TListView

    Left = 8

    Top = 8

    Width = 233

    Height = 109

    Columns = <>

    TabOrder = 0

    OnChange = ListView1Change

  end

  object Button1: TButton

    Left = 158

    Top = 123

    Width = 93

    Height = 25

    Caption = 'Button1'

    TabOrder = 1

    OnClick = Button1Click

  end

  object CheckBox1: TCheckBox

    Left = 8

    Top = 131

    Width = 97

    Height = 17

    Caption = 'CheckBox1'

    TabOrder = 2

    OnClick = CheckBox1Click

  end

end