Project Structure

• DockPage.dpr
• DockPF.pas
• EditForm.pas
• CalForm.pas
• DockPF.dfm
• EditForm.dfm
• CalForm.dfm

program DockPage;

uses
  Forms,
  DockPF in 'DockPF.pas' {Form1},
  EditForm in 'EditForm.pas' {Form2},
  CalForm in 'CalForm.pas' {Form3};

{$R *.RES}

begin
  Application.Initialize;
  Application.CreateForm(TForm1, Form1);
  Application.CreateForm(TForm2, Form2);
  Application.CreateForm(TForm3, Form3);
  Application.Run;
end.

unit DockPF;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ComCtrls, ExtCtrls, StdCtrls;

type
  TForm1 = class(TForm)
    Splitter1: TSplitter;
    Memo1: TMemo;
    Panel1: TPanel;
    ListBox1: TListBox;
    PageControl1: TPageControl;
    TabSheet1: TTabSheet;
    procedure Panel1MouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Panel1MouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  PageControl1.BeginDrag (False, 10);
end;

end.

unit EditForm;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm2 = class(TForm)
    Memo1: TMemo;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

{$R *.DFM}

end.

unit CalForm;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ComCtrls;

type
  TForm3 = class(TForm)
    MonthCalendar1: TMonthCalendar;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form3: TForm3;

implementation

{$R *.DFM}

end.

object Form1: TForm1
  Left = 287
  Top = 208
  Width = 555
  Height = 411
  Caption = 'Docking Pages'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object Splitter1: TSplitter
    Left = 267
    Top = 0
    Width = 3
    Height = 384
    Cursor = crHSplit
    HelpType = htKeyword
  end
  object Memo1: TMemo
    Left = 270
    Top = 0
    Width = 277
    Height = 384
    Align = alClient
    Lines.Strings = (
      'Text...')
    TabOrder = 0
  end
  object Panel1: TPanel
    Left = 0
    Top = 0
    Width = 267
    Height = 384
    Align = alLeft
    DockSite = True
    TabOrder = 1
    OnMouseDown = Panel1MouseDown
    object PageControl1: TPageControl
      Left = 1
      Top = 1
      Width = 265
      Height = 382
      ActivePage = TabSheet1
      Align = alClient
      DockSite = True
      DragKind = dkDock
      TabIndex = 0
      TabOrder = 0
      object TabSheet1: TTabSheet
        Caption = 'List'
        object ListBox1: TListBox
          Left = 0
          Top = 0
          Width = 257
          Height = 354
          Align = alClient
          ItemHeight = 13
          Items.Strings = (
            'one'
            'two'
            'three')
          TabOrder = 0
        end
      end
    end
  end
end

object Form2: TForm2
  Left = 192
  Top = 107
  Width = 382
  Height = 247
  Caption = 'Small Editor'
  Color = clBtnFace
  DragKind = dkDock
  DragMode = dmAutomatic
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  Visible = True
  PixelsPerInch = 96
  TextHeight = 13
  object Memo1: TMemo
    Left = 0
    Top = 0
    Width = 374
    Height = 220
    Align = alClient
    Lines.Strings = (
      'Memo1')
    TabOrder = 0
  end
end

object Form3: TForm3
  Left = 280
  Top = 139
  Width = 195
  Height = 333
  Caption = 'Calendar'
  Color = clBtnFace
  DragKind = dkDock
  DragMode = dmAutomatic
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  Visible = True
  PixelsPerInch = 96
  TextHeight = 13
  object MonthCalendar1: TMonthCalendar
    Left = 0
    Top = 0
    Width = 187
    Height = 306
    Align = alClient
    AutoSize = True
    Date = 35986.3429524306
    TabOrder = 0
  end
end