unit1.pas

delphi直接操作设备驱动程序源代码．

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs,unit2, StdCtrls, Buttons,ctr_unit;

type
  TForm1 = class(TForm)
    BitBtn1: TBitBtn;
    Edit1: TEdit;
    Label1: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
   CloseIoDevice; 
   OpenIoDevice;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
CloseIoDevice;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
edit1.Text:=inttostr(cssreadport(64,1));
end;

end.