TChart-对象查看器与打印预览

 界面代码：

object Form1: TForm1
  Left = 568
  Top = 393
  Width = 725
  Height = 408
  Caption = '对象观察器'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  OnActivate = FormActivate
  OnCreate = FormCreate
  PixelsPerInch = 96
  TextHeight = 13
  object Chart1: TChart
    Left = 0
    Top = 0
    Width = 505
    Height = 330
    Border.Width = 2
    Border.Visible = True
    BottomWall.Gradient.EndColor = 6308951
    BottomWall.Gradient.MidColor = 13529477
    BottomWall.Gradient.StartColor = 2514871
    BottomWall.Gradient.Visible = True
    Gradient.Balance = 74
    Gradient.Direction = gdBottomTop
    Gradient.EndColor = clWhite
    Gradient.StartColor = clAqua
    Gradient.Visible = True
    LeftWall.Gradient.Balance = 74
    LeftWall.Gradient.Direction = gdBottomTop
    LeftWall.Gradient.EndColor = clBlack
    LeftWall.Gradient.MidColor = 16744576
    LeftWall.Gradient.StartColor = clBlack
    LeftWall.Gradient.Visible = True
    Legend.CheckBoxesStyle = cbsRadio
    Title.Font.Color = clBlack
    Title.Text.Strings = (
      '组件测试：水果产量')
    BottomAxis.Title.Caption = '品名'
    Chart3DPercent = 30
    LeftAxis.Title.Caption = '数量'
    Align = alLeft
    BevelOuter = bvNone
    TabOrder = 0
    Anchors = [akLeft, akTop, akRight, akBottom]
    PrintMargins = (
      15
      13
      15
      13)
    object Series1: TBarSeries
      ColorEachPoint = True
      Marks.Callout.Brush.Color = clBlack
      Marks.Gradient.Visible = True
      Marks.Style = smsLabelValue
      Marks.Visible = True
      PercentFormat = '##0,## %'
      BarStyle = bsRectGradient
      Gradient.Direction = gdTopBottom
      Gradient.MidColor = 16059031
      Gradient.StartColor = 14540754
      XValues.Name = 'X'
      XValues.Order = loAscending
      YValues.Name = 'Bar'
      YValues.Order = loNone
    end
  end
  object TeeInspector1: TTeeInspector
    Left = 505
    Top = 0
    Width = 212
    Height = 330
    Align = alClient
    FixedCols = 1
    RowCount = 8
    FixedRows = 0
    Options = [goFixedVertLine, goVertLine, goHorzLine, goColSizing, goThumbTracking]
    TabOrder = 1
    Items = <
      item
        Caption = '3D'
        Value = True
        OnChange = TeeInspector1Items0Change
      end
      item
        Caption = '标签'
        Value = True
        OnChange = TeeInspector1Items1Change
      end
      item
        Caption = '图例'
        Value = True
        OnChange = TeeInspector1Items2Change
      end
      item
        Caption = '横坐标'
        Style = iiString
        Value = '品名'
        OnChange = TeeInspector1Items3Change
      end
      item
        Caption = '纵坐标'
        Style = iiString
        Value = '数量'
        OnChange = TeeInspector1Items4Change
      end
      item
        Caption = '字颜色'
        Style = iiColor
        Value = 0
        OnChange = TeeInspector1Items5Change
      end
      item
        Caption = '图表标题'
        Style = iiString
        Value = '组件测试：水果产量'
        OnChange = TeeInspector1Items6Change
      end>
    Header.Font.Color = clNavy
    Header.Font.Gradient.Visible = True
    ColWidths = (
      82
      126)
    RowHeights = (
      19
      19
      19
      19
      19
      19
      19
      19)
  end
  object Panel1: TPanel
    Left = 0
    Top = 330
    Width = 717
    Height = 41
    Align = alBottom
    TabOrder = 2
    object Label1: TLabel
      Left = 16
      Top = 11
      Width = 49
      Height = 13
      AutoSize = False
      Caption = '种类：'
    end
    object ComboFlat1: TComboFlat
      Left = 72
      Top = 8
      Width = 153
      BevelKind = bkSoft
      Color = clWhite
      ItemIndex = 0
      TabOrder = 0
      Text = '苹果'
      OnChange = ComboFlat1Change
      Items.Strings = (
        '苹果'
        '桔子'
        '梨'
        '葡萄'
        '甘蔗'
        '西瓜')
    end
    object Button1: TButton
      Left = 344
      Top = 8
      Width = 75
      Height = 25
      Caption = '&R.返回'
      TabOrder = 1
      OnClick = Button1Click
    end
    object Button2: TButton
      Left = 264
      Top = 8
      Width = 75
      Height = 25
      Caption = '&P.打印'
      TabOrder = 2
      OnClick = Button2Click
    end
  end
  object ChartPreviewer1: TChartPreviewer
    Chart = Chart1
    Title = '打印...'
    Left = 232
    Top = 201
  end
end

功能代码

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, TeeEdit, StdCtrls, TeCanvas, ExtCtrls, Grids, TeeInspector,
  TeEngine, Series, TeeProcs, Chart;

type
  TForm1 = class(TForm)
    Chart1: TChart;
    Series1: TBarSeries;
    TeeInspector1: TTeeInspector;
    Panel1: TPanel;
    Label1: TLabel;
    ComboFlat1: TComboFlat;
    Button1: TButton;
    Button2: TButton;
    ChartPreviewer1: TChartPreviewer;
    procedure Button1Click(Sender: TObject);
    procedure ComboFlat1Change(Sender: TObject);
    procedure FormActivate(Sender: TObject);
    procedure TeeInspector1Items0Change(Sender: TObject);
    procedure TeeInspector1Items1Change(Sender: TObject);
    procedure TeeInspector1Items2Change(Sender: TObject);
    procedure TeeInspector1Items3Change(Sender: TObject);
    procedure TeeInspector1Items4Change(Sender: TObject);
    procedure TeeInspector1Items6Change(Sender: TObject);
    procedure TeeInspector1Items5Change(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  Close;
end;

procedure TForm1.ComboFlat1Change(Sender: TObject);
begin
  (*
    苹果
    桔子
    梨
    葡萄
    甘蔗
    西瓜
  *)
  with Series1 do
  begin
    Clear;
    case ComboFlat1.ItemIndex of
      0: AddXY(1, 300, '苹果');
      1: AddXY(1, 280, '桔子');
      2: AddXY(1, 450, '梨');
      3: AddXY(1, 340, '葡萄');
      4: AddXY(1, 780, '甘蔗');
      5: AddXY(1, 280, '习惯');
      6: AddXY(1, 890, '柿子');
    end;
  end;
end;

procedure TForm1.FormActivate(Sender: TObject);
begin
  Series1.AddXY(1, 300, '苹果');
end;

procedure TForm1.TeeInspector1Items0Change(Sender: TObject);
begin
  Chart1.View3D := TeeInspector1.Items[0].Value;
end;

procedure TForm1.TeeInspector1Items1Change(Sender: TObject);
begin
  Series1.Marks.Visible := TeeInspector1.Items[1].Value;
end;

procedure TForm1.TeeInspector1Items2Change(Sender: TObject);
begin
  Chart1.Legend.Visible := TeeInspector1.Items[2].Value;
end;

procedure TForm1.TeeInspector1Items3Change(Sender: TObject);
begin
  Chart1.BottomAxis.Title.Caption := TeeInspector1.Items[3].Value;
end;

procedure TForm1.TeeInspector1Items4Change(Sender: TObject);
begin
  Chart1.LeftAxis.Title.Caption := TeeInspector1.Items[4].Value;
end;


procedure TForm1.TeeInspector1Items5Change(Sender: TObject);
begin
  Chart1.Title.Font.Color := TeeInspector1.Items[5].Value;
  Chart1.BottomAxis.Title.Font.Color := TeeInspector1.Items[5].Value;
  Chart1.LeftAxis.Title.Font.Color := TeeInspector1.Items[5].Value;
  Chart1.Refresh;
end;


procedure TForm1.TeeInspector1Items6Change(Sender: TObject);
begin
  Chart1.Title.Text.Text := TeeInspector1.Items[6].Value;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  ChartPreviewer1.Execute;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Self.Position := poScreenCenter;
end;

end.