private void NotifyError(string sErrorMessage, int hrErr)
{
var sErrMsg = MFError.GetErrorText(hrErr);
string sMsg = $"{sErrorMessage} (HRESULT = 0x{hrErr:x}:{sErrMsg})";
camProcess.CloseDevice();
NotificationRequest.Raise(new Notification {
Content = sMsg, Title = "Error"
});
}