{

/// <summary>

/// A basic page that provides characteristics common to most applications.

/// </summary>

public sealed partial class StartPage : MarktplaatsZoeker.Common.LayoutAwarePage

{

public StartPage()

{

this.InitializeComponent();

this.DataContext = new StartPageViewModel(); ;

FillGrid();

}

public async void FillGrid()

{

var vm = (StartPageViewModel)this.DataContext;

var list = await vm.GetZoekOpdrachten();

AdvListView.ItemsSource = list;

}

/// <summary>

/// Populates the page with content passed during navigation. Any saved state is also

/// provided when recreating a page from a prior session.

/// </summary>

/// <param name="navigationParameter">The parameter value passed to

/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.

/// </param>

/// <param name="pageState">A dictionary of state preserved by this page during an earlier

/// session. This will be null the first time a page is visited.</param>

protected override void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)

{

var taskEntryPoint = "BackGroundUpdater.BackGroundRunner";

var taskName = "BackGroundRunner";

MaintenanceTrigger taskTrigger = new MaintenanceTrigger(15, false);

var task = RegisterBackgroundTask(taskEntryPoint, taskName, taskTrigger, null);

task.Progress += new BackgroundTaskProgressEventHandler(OnProgress);

task.Completed += new BackgroundTaskCompletedEventHandler(OnCompleted);

}

// Register a background task with the specified taskEntryPoint, name, trigger,

// and condition (optional).

//

// taskEntryPoint: Task entry point for the background task.

// taskName: A name for the background task.

// trigger: The trigger for the background task.

// condition: Optional parameter. A conditional event that must be true for the task to fire.

//

public BackgroundTaskRegistration RegisterBackgroundTask(string taskEntryPoint,

string taskName,

IBackgroundTrigger trigger,

IBackgroundCondition condition)

{

foreach (var cur in BackgroundTaskRegistration.AllTasks)

{

if (cur.Value.Name == taskName)

{

//

// The task is already registered.

//

return (BackgroundTaskRegistration)(cur.Value);

}

}

var builder = new BackgroundTaskBuilder();

builder.Name = taskName;

builder.TaskEntryPoint = taskEntryPoint;

builder.SetTrigger(trigger);

if (condition != null)

{

builder.AddCondition(condition);

}

BackgroundTaskRegistration task = builder.Register();

return task;

}

private void OnCompleted(IBackgroundTaskRegistration task, BackgroundTaskCompletedEventArgs arg)

{

var settings = ApplicationData.Current.LocalSettings;

var key = task.TaskId.ToString();

var message = "Klaar met synchroniseren-" + DateTime.Now;

UpdateUIExampleMethod(message);

string tileXmlString = "<tile>" + "<visual>" + "<binding template='TileWideText03'>" + "<text id='1'>"

+ "</text>" + "</binding>" + "<binding template='TileSquareText04'>" + "<text id='1'>"

+ "</text>" + "</binding>" + "</visual>" + "</tile>";

var tileXml = new Windows.Data.Xml.Dom.XmlDocument(); tileXml.LoadXml(tileXmlString);

var tile = new Windows.UI.Notifications.TileNotification(tileXml);

Windows.UI.Notifications.TileUpdateManager.CreateTileUpdaterForApplication().Update(tile);

try

{

arg.CheckResult();

}

catch (Exception)

{

message = "error";

UpdateUIExampleMethod(message);

}

}

private async void UpdateUIExampleMethod(string message)

{

var dispatcher = CoreApplication.MainView.CoreWindow.Dispatcher;

await dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>

{

this.DefaultViewModel["completed"] = message;

});

}

/// <summary>

/// Preserves state associated with this page in case the application is suspended or the

/// page is discarded from the navigation cache. Values must conform to the serialization

/// requirements of <see cref="SuspensionManager.SessionState"/>.

/// </summary>

/// <param name="pageState">An empty dictionary to be populated with serializable state.</param>

protected override void SaveState(Dictionary<String, Object> pageState)

{

}

private void OnProgress(BackgroundTaskRegistration sender, BackgroundTaskProgressEventArgs args)

{

//string tileXmlString = "<tile>" + "<visual>" + "<binding template='TileWideText03'>" + "<text id='1'>" + args.Progress.ToString()

// + "</text>" + "</binding>" + "<binding template='TileSquareText04'>" + "<text id='1'>"

// + args.Progress.ToString() + "</text>" + "</binding>" + "</visual>" + "</tile>";

//var tileXml = new Windows.Data.Xml.Dom.XmlDocument(); tileXml.LoadXml(tileXmlString);

//var tile = new Windows.UI.Notifications.TileNotification(tileXml);

//Windows.UI.Notifications.TileUpdateManager.CreateTileUpdaterForApplication().Update(tile);

UpdateUIExampleMethod("lekker bezig");

}

private void Button_Click(object sender, RoutedEventArgs e)

{

Frame rootFrame = Window.Current.Content as Frame;

rootFrame.Navigate(typeof(AddZoekOpdracht));

}

}