使用 TListView 控件(3)

本例效果图:

---

代码文件:

---

unit Unit1;



interface



uses

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

  Dialogs, StdCtrls, ComCtrls;



type

  TForm1 = class(TForm)

    ListView1: TListView;

    Button1: TButton;

    Button2: TButton;

    CheckBox1: TCheckBox;

    CheckBox2: TCheckBox;

    procedure FormCreate(Sender: TObject);

    procedure Button1Click(Sender: TObject);

    procedure Button2Click(Sender: TObject);

    procedure CheckBox1Click(Sender: TObject);

    procedure CheckBox2Click(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



procedure TForm1.FormCreate(Sender: TObject);

var

  i: Integer;

  column: TListColumn;

begin

  for i := 0 to 5 do

  begin

    column := ListView1.Columns.Add;

    column.Caption := Format('Col %d', [i]);

  end;



  ListView1.Align := alTop;

  ListView1.ViewStyle := vsReport;

  ListView1.GridLines := True;         {非默认}

  ListView1.ShowColumnHeaders := True; {默认}

  CheckBox1.Caption := 'GridLines';

  CheckBox2.Caption := 'ShowColumnHeaders';

  CheckBox1.Checked := True;

  CheckBox2.Checked := True;

  Button1.Caption := '添加';

  Button2.Caption := '清空';

end;



procedure TForm1.Button1Click(Sender: TObject);

var

  item: TListItem;

  i: Integer;

begin

  item := ListView1.Items.Add;

  item.Caption := 'Item ' + IntToStr(item.Index);



  for i := 0 to ListView1.Columns.Count - 1 do

    item.SubItems.Add(Format('%d%d', [item.Index, i]));

end;



procedure TForm1.Button2Click(Sender: TObject);

begin

  ListView1.Items.Clear;

end;



procedure TForm1.CheckBox1Click(Sender: TObject);

begin

  ListView1.GridLines := CheckBox1.Checked;

end;



procedure TForm1.CheckBox2Click(Sender: TObject);

begin

  ListView1.ShowColumnHeaders := CheckBox2.Checked;

end;



end.


 
   

窗体文件:

---

object Form1: TForm1

  Left = 0

  Top = 0

  Caption = 'Form1'

  ClientHeight = 198

  ClientWidth = 322

  Color = clBtnFace

  Font.Charset = DEFAULT_CHARSET

  Font.Color = clWindowText

  Font.Height = -11

  Font.Name = 'Tahoma'

  Font.Style = []

  OldCreateOrder = False

  OnCreate = FormCreate

  PixelsPerInch = 96

  TextHeight = 13

  object ListView1: TListView

    Left = 8

    Top = 8

    Width = 185

    Height = 121

    Columns = <>

    TabOrder = 0

  end

  object Button1: TButton

    Left = 232

    Top = 134

    Width = 75

    Height = 25

    Caption = 'Button1'

    TabOrder = 1

    OnClick = Button1Click

  end

  object Button2: TButton

    Left = 232

    Top = 165

    Width = 75

    Height = 25

    Caption = 'Button2'

    TabOrder = 2

    OnClick = Button2Click

  end

  object CheckBox1: TCheckBox

    Left = 16

    Top = 145

    Width = 97

    Height = 17

    Caption = 'CheckBox1'

    TabOrder = 3

    OnClick = CheckBox1Click

  end

  object CheckBox2: TCheckBox

    Left = 16

    Top = 169

    Width = 177

    Height = 17

    Caption = 'CheckBox2'

    TabOrder = 4

    OnClick = CheckBox2Click

  end

end