protected override void OnNavigatedFrom(NavigationEventArgs e)
{
if (_rfCardReader != null)
{
_rfCardReader.Dispose();
_rfCardReader = null;
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
if (_rfCardReader == null)
{
_rfCardReader = new Helpers.RFCardReader(() =>
{
this.Frame.Navigate(typeof(MainPage));
});
}
}
/// The methods provided in this section are simply used to allow
/// NavigationHelper to respond to the page's navigation methods.
///
/// Page specific logic should be placed in event handlers for the
/// <see cref="GridCS.Common.NavigationHelper.LoadState"/>
/// and <see cref="GridCS.Common.NavigationHelper.SaveState"/>.
/// The navigation parameter is available in the LoadState method
/// in addition to page state preserved during an earlier session.
protected override void OnNavigatedTo(NavigationEventArgs e)
{
if (_rfCardReader == null)
{
_rfCardReader = new Helpers.RFCardReader(() =>
{
System.Diagnostics.Debug.WriteLine("read");
});
}
navigationHelper.OnNavigatedTo(e);
}