ADO Database Delphi

unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Bde;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
//this procedure will tell if the BDE is installed on a PC.
begin
if (dbiInit(nil) = 0) then
showmessage('BDE is Installed')
else
showmessage('BDE is NOT Installed!');
end;
end.