internal void Close()
{
if (_alreadyDisposed)
{
throw new ObjectDisposedException("");
}
if (_hDevice != CyConst.INVALID_HANDLE)
{
PInvoke.CloseHandle(_hDevice);
}
_hDevice = CyConst.INVALID_HANDLE;
if (_hHndNotification != IntPtr.Zero)
{
PInvoke.UnregisterDeviceNotification(_hHndNotification);
}
}
protected virtual void Dispose(bool isDisposing)
{
if (_alreadyDisposed)
{
return;
}
if (isDisposing)
{
// Free managed members that implement IDisposable
foreach (USBDevice u in Items)
{
u.Dispose();
}
}
// Free the un-managed resources (handles)
foreach (IntPtr h in hDevNotifications)
{
PInvoke.UnregisterDeviceNotification(h);
}
_alreadyDisposed = true;
}