TUpDown/zh CN

Asscociate 属性来连接其他可编辑控件，然后将命令发送到对应的控件。

unit Unit1;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ComCtrls;

type

  { TForm1 }

  TForm1 = class(TForm)
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
  private

  public

  end;

var
  Form1: TForm1;

implementation

{$R *.lfm}

{ TForm1 }

procedure TForm1.FormCreate(Sender: TObject);
var
  UpDown1: TUpDown;
begin
  UpDown1:= TUpDown.Create(Self);
  UpDown1.Parent:=Self;
  UpDown1.Min := -100;
  UpDown1.Max := 100;
  UpDown1.Associate := Edit1;
end;

end.