Автоматическая установка драйвера устройства

#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
#include "Newdev.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    UnicodeString s,s2;
    s = "USB\VID_04D8&PID_000A&REV_0100";
    s2 = "mchpcdc.inf";
    if (UpdateDriverForPlugAndPlayDevices(NULL, s.c_str(), s2.c_str(),
        INSTALLFLAG_FORCE, NULL))
        ShowMessage("Good");
    else
        ShowMessage("Bad");
}

#include "Newdev.h"

#include "Newdev.h"

#pragma comment(lib, "Newdev.lib")

//---------------------------------------------------------------------------
 
#include <vcl.h>
#pragma hdrstop
#pragma comment(lib, "Newdev.lib")
#include "Unit1.h"
#include "Newdev.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    int rc;
    UnicodeString s,s2;
    //s = "USB\Vid_04d8&Pid_000a\0";
    s = "USB\Vid04&Pid000a&Rev_0100";
    s2 = "mchpcdc.inf";
    rc = UpdateDriverForPlugAndPlayDevices(NULL, s.c_str(), s2.c_str(),
        INSTALLFLAG_FORCE, NULL);
    ShowMessage(GetLastError());
    if (rc)
        ShowMessage("Good");
    else
        ShowMessage("Bad");
 
}