ADO Database Delphi

uses
BDE;
function CheckBDEInstalled: Boolean;
begin
Result := (dbiInit(nil) = DBIERR_NONE)
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if CheckBDEInstalled then
ShowMessage('BDE is installed.')
else
ShowMessage('BDE is not installed.')
end;