Project: LONGSTR.DPR

Project Structure

• LONGSTR.DPR
• LONGFORM.PAS
• LONGFORM.DFM

program LongStr;

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

{$R *.RES}

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

unit LongForm;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
  S1: String;
begin
  SetLength (S1, 100);
  GetWindowText (Handle, PChar (S1), Length (S1));
  Button1.Caption := S1;
end;

procedure TForm1.Button2Click(Sender: TObject);
var
  S1: String;
begin
  SetLength (S1, 100);
  GetWindowText (Handle, PChar (S1), Length (S1));
  S1 := S1 + ' is the title';
  Button2.Caption := S1;
end;

procedure TForm1.Button3Click(Sender: TObject);
var
  S1: String;
begin
  SetLength (S1, 100);
  GetWindowText (Handle, PChar (S1), Length (S1));
  S1 := String (PChar (S1));
  S1 := S1 + ' is the title';
  Button3.Caption := S1;
end;

end.

object Form1: TForm1
  Left = 200
  Top = 108
  Width = 247
  Height = 158
  Caption = 'Long Strings'
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  PixelsPerInch = 96
  TextHeight = 13
  object Button1: TButton
    Left = 32
    Top = 16
    Width = 169
    Height = 25
    Caption = 'GetTitle'
    TabOrder = 0
    OnClick = Button1Click
  end
  object Button2: TButton
    Left = 32
    Top = 48
    Width = 169
    Height = 25
    Caption = 'Get + Add (Wrong)'
    TabOrder = 1
    OnClick = Button2Click
  end
  object Button3: TButton
    Left = 32
    Top = 80
    Width = 169
    Height = 25
    Caption = 'Get + Add (OK)'
    TabOrder = 2
    OnClick = Button3Click
  end
end