???????????????

???????????
????????:
void CTestMyFirstDriverDlg::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
HANDLE hFile = CreateFile(L"\??\FirstDevice"??
FILE_ALL_ACCESS??
FILE_SHARE_READ??
NULL??
OPEN_EXISTING??
FILE_ATTRIBUTE_NORMAL??NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
int err = GetLastError();
MessageBox(L"Create File error!");
}
CloseHandle(hFile);
return;
}