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