wndchoose.pas

来自「彩票号码筛选的程序」· PAS 代码 · 共 55 行

unit WndChoose;

interface

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

type
  TFrmChoose = class(TForm)
    Panel1: TPanel;
    Edit1: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    Edit2: TEdit;
    Label3: TLabel;
    Edit3: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure Edit2KeyPress(Sender: TObject; var Key: Char);
    procedure Edit3KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FrmChoose: TFrmChoose;

implementation

{$R *.dfm}

procedure TFrmChoose.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
     if not (key in ['0'..'9',#8,#13]) then key:=#0 ;
     if key=#13 then edit1.setfocus;
end;

procedure TFrmChoose.Edit2KeyPress(Sender: TObject; var Key: Char);
begin
if not (key in ['0'..'9',#8,#13]) then key:=#0 ;
if key=#13 then edit2.setfocus;
end;

procedure TFrmChoose.Edit3KeyPress(Sender: TObject; var Key: Char);
begin
if not (key in ['0'..'9',#8,#13]) then key:=#0 ;
if key=#13 then edit3.setfocus;
end;

end.