unit4.~pas

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unit Unit4;

interface

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

type
  TForm4 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    MaskEdit1: TMaskEdit;
    Edit1: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure JiaoDiao();
    procedure FormCreate(Sender: TObject);
    procedure MaskEdit1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form4: TForm4;

implementation

{$R *.dfm}

procedure TForm4.Button1Click(Sender: TObject);
begin
Form4.Edit1.Text:='0';
Close;
end;
procedure TForm4.JiaoDiao();
begin
Form4.MaskEdit1.SetFocus;
Form4.MaskEdit1.TabOrder:=0;
end;

procedure TForm4.FormCreate(Sender: TObject);
begin

Form4.MaskEdit1.Text:='';
Form4.Edit1.Text:='1';   //没有点击click
end;

procedure TForm4.MaskEdit1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin

if key=13 then
begin
Form4.Edit1.Text:='0';
Close;
end;

end;

end.