《Delphi XE10》第一个程序（01）

unit Unit1;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes,
  Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type
  TForm1 = class(TForm)
    edt1: TEdit;
    btn1: TButton;
    btn2: TButton;
    procedure btn1Click(Sender: TObject);
    procedure btn2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.btn1Click(Sender: TObject);
begin
  edt1.Text := ‘Hello World‘;
end;

procedure TForm1.btn2Click(Sender: TObject);
begin
  edt1.Text := ‘‘;
end;

end.

object Form1: TForm1
  Left = 0
  Top = 0
  Caption = ‘Form1‘
  ClientHeight = 115
  ClientWidth = 597
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -13
  Font.Name = ‘Tahoma‘
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 120
  TextHeight = 16
  object edt1: TEdit
    Left = 0
    Top = 0
    Width = 441
    Height = 115
    Align = alLeft
    Font.Charset = DEFAULT_CHARSET
    Font.Color = clWindowText
    Font.Height = -80
    Font.Name = ‘Tahoma‘
    Font.Style = []
    ParentFont = False
    TabOrder = 0
    ExplicitLeft = -6
  end
  object btn1: TButton
    Left = 441
    Top = 0
    Width = 75
    Height = 115
    Align = alLeft
    Caption = #26174#31034
    TabOrder = 1
    OnClick = btn1Click
    ExplicitLeft = 464
    ExplicitTop = 40
    ExplicitHeight = 25
  end
  object btn2: TButton
    Left = 516
    Top = 0
    Width = 81
    Height = 115
    Align = alClient
    Caption = #38544#34255
    TabOrder = 2
    OnClick = btn2Click
    ExplicitLeft = 560
    ExplicitTop = 48
    ExplicitWidth = 75
    ExplicitHeight = 25
  end
end