This article demonstrates how to turn AutoRun on / off for your CD drive.
procedure TForm1.SetCDAutoRun(AAutoRun:Boolean);
const
DoAutoRun : array[Boolean] of Integer = (0,1);
var
Reg:TRegistry;
begin
try
Reg := TRegistry.Create;
Reg.RootKey := HKEY_LOCAL_MACHINE;
if Reg.KeyExists('System\CurrentControlSet\Services\Class\CDROM') then
if Reg.OpenKey('System\CurrentControlSet\Services\Class\CDROM',FALSE) then
Reg.WriteBinaryData('AutoRun',DoAutoRun[AAutoRun],1);
finally
Reg.Free;
end;
ShowMessage('Your settings will take effect on the next reboot of Windows.');
end;