unitdemo.pas

条码打印

unit UnitDemo;

interface

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

const
  BarCodeDll = 'BarCodeLib.Dll';

type
  TForm1 = class(TForm)
    Button1: TButton;
    Image1: TImage;
    Button2: TButton;
    Edit1: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    ComboBox1: TComboBox;
    Button3: TButton;
    Button4: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;


var
  Form1: TForm1;

implementation

{$R *.dfm}
Uses  BarCode ;

procedure TForm1.Button1Click(Sender: TObject);
begin
  PutImgBr39(Pchar(Edit1.Text),Image1.Picture.Bitmap.Canvas,Image1.ClientRect,StrToInt(ComboBox1.Text),clBlack,clWhite) ;
  Button3.Enabled := True ;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  PutImgBrEan(Pchar(Copy(Edit1.Text,1,12)),Image1.Picture.Bitmap.Canvas,Image1.ClientRect,StrToInt(ComboBox1.Text),clBlack,clWhite) ;
  Button3.Enabled := False ;
  
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  Caption := ScanImgBr39(Image1.Picture.Bitmap.Canvas,Image1.Picture.Bitmap.Canvas.ClipRect);
end;

end.