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Home: Code Repository: Mastering Delphi 6

Chapter 12 - Project UsePackForm

Project Structure

UsePackForm.dpr
program UsePackForm;

uses
  Forms,
  UsePackColF in 'UsePackColF.pas' {Form1};

{$R *.RES}

begin
  Application.Initialize;
  Application.CreateForm(TForm1, Form1);
  Application.Run;
end.
UsePackColF.pas
unit UsePackColF;

interface

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

type
  TForm1 = class(TForm)
    BtnChange: TButton;
    BtnSelect: TButton;
    procedure BtnChangeClick(Sender: TObject);
    procedure BtnSelectClick(Sender: TObject);
  private
    { Private declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

uses
  PackScrollF;

procedure TForm1.BtnChangeClick(Sender: TObject);
var
  FormScroll: TFormScroll;
begin
  FormScroll := TFormScroll.Create (Application);
  try
    // initialize the data
    FormScroll.SelectedColor := Color;
    // show the form
    if FormScroll.ShowModal = mrOK then
      Color := FormScroll.SelectedColor;
  finally
    FormScroll.Free;
  end;
end;

procedure TForm1.BtnSelectClick(Sender: TObject);
var
  FormScroll: TFormScroll;
begin
  FormScroll := TFormScroll.Create (Application);
  // initialize the data and UI
  FormScroll.SelectedColor := Color;
  FormScroll.BitBtn1.Caption := 'Apply';
  FormScroll.BitBtn1.OnClick := FormScroll.ApplyClick;
  FormScroll.BitBtn2.Kind := bkClose;
  // show the form
  FormScroll.Show;
end;

end.
UsePackColF.dfm
object Form1: TForm1
  Left = 222
  Top = 159
  Width = 191
  Height = 186
  Caption = 'UsePackForm'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clBlack
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = True
  PixelsPerInch = 96
  TextHeight = 13
  object BtnChange: TButton
    Left = 40
    Top = 34
    Width = 105
    Height = 33
    Caption = 'Change Color'
    TabOrder = 0
    OnClick = BtnChangeClick
  end
  object BtnSelect: TButton
    Left = 40
    Top = 88
    Width = 105
    Height = 33
    Caption = 'Select Color'
    TabOrder = 1
    OnClick = BtnSelectClick
  end
end