uinterval.pas

DSC（Data Service Center）用来接收和处理DTU发送过来的数据；如上图

unit Uinterval;

interface

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

type
  Tfinterval = class(TForm)
    Label1: TLabel;
    ComboBox1: TComboBox;
    Button1: TButton;
    Button2: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  finterval: Tfinterval;

implementation

uses umain;

{$R *.dfm}

procedure Tfinterval.FormCreate(Sender: TObject);
begin
    combobox1.ItemIndex:=form1.timeinterval-1;
end;

procedure Tfinterval.Button1Click(Sender: TObject);
begin
    form1.timeinterval:=combobox1.ItemIndex+1;
    close;
end;

procedure Tfinterval.Button2Click(Sender: TObject);
begin
    close;
end;

end.