private void OnDeviceChange(IntPtr reason, IntPtr pHdr)
{
// Check for the right category of event
if (m_rdn.CheckEventDetails(reason, pHdr))
{
UpdateDeviceList();
UpdateUI();
// If we are capturing, check and see if the device was the one we were using. We do this
// by comparing the symbolic name of the capture device to the symbolic name of the changed
// device.
if (m_pCapture != null && m_pCapture.IsCapturing())
{
bool bDeviceLost = false;
string sSym = RegisterDeviceNotifications.ParseDeviceSymbolicName(pHdr);
HResult hr = m_pCapture.CheckDeviceLost(sSym, out bDeviceLost);
if (hr < 0 || bDeviceLost)
{
StopCapture();
MessageBox.Show(this, "The capture device was removed or lost.", "Lost Device", MessageBoxButtons.OK);
}
}
}
}
