unit1.~pas

来自「Delphi函数参考大全的CD」· ~PAS 代码 · 共 37 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    Label1: TLabel;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  iTemp:integer;
begin
  Itemp:=strtoint(edit1.Text);
  edit1.Text:=inttostr(EnsureRange(Itemp,500,20000));
end;

end.