private void CloseSnap()
{
System.Diagnostics.Debug.Assert(m_Camera.GetHandle() != IntPtr.Zero);
StopSnap();
HVSTATUS status = USBCameraAPI.HVCloseSnap(m_Camera.GetHandle());
USBCameraAPI.HV_VERIFY(status);
if (USBCameraAPI.HV_SUCCESS(status))
{
m_bIsOpen = false;
}
}