使用 TListView 控件(3)

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, 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