/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// Resets the state of the view model by passing in the parameters provided by the
/// caller.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="Common.NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// Resets the state of the view model by passing in the parameters provided by the
/// caller.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="Common.NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
var viewModel = (HistoryViewModel)DataContext;
viewModel.QueryChargingStations();
}