private async Task SaveTasks(int Attempts = 0)
{
try
{
var TasksToSerialize = new ObservableCollection <Tasks>(_Tasks.Where(x => x.ID > 0));
XmlSerializer Serializ = new XmlSerializer(typeof(ObservableCollection <Tasks>));
using (Stream Steam = await ApplicationData.Current.LocalFolder.OpenStreamForWriteAsync(TaskFile, CreationCollisionOption.ReplaceExisting))
{
Serializ.Serialize(Steam, TasksToSerialize);
}
}
catch (Exception s) when((s.Message.Contains("denied")) && (Attempts < 10))
{
await SaveTasks(Attempts + 1);
}
catch (Exception s)
{
MessageDialog msds = new MessageDialog(s.ToString(), "error");
await msds.ShowAsync();
}
await TDTSharedCode.BackgroundTask(false);
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
var defferal = taskInstance.GetDeferral();
#region Nevim co to je, ale asi je to důležité
// Taskinstance.Canceled += Taskinstance_Canceled;
/* XmlDocument toastXml = ToastNotificationManager.GetTemplateContent(ToastTemplateType.ToastImageAndText04);
*
* XmlNodeList stringElements = toastXml.GetElementsByTagName("text");
* for (int i = 0; i < stringElements.Length; i++)
* {
* stringElements[i].AppendChild(toastXml.CreateTextNode("Line " + i));
* }
*
* // Specify the absolute path to an image
* XmlNodeList imageElements = toastXml.GetElementsByTagName("image");
*
*
* var toast = new ToastNotification(toastXml);
* ToastNotificationManager.CreateToastNotifier(CurrentApp.AppId.ToString()).Show(toast);
*
* await ShowToastAsync("Hello from background");*/
#endregion
try
{
await TDTSharedCode.BackgroundTask();
}
catch (Exception e)
{ }
defferal.Complete();
}
private async Task SaveTasks(Stream Stream, ObservableCollection <Tasks> _Tasks, int Attempts = 0)
{
try
{
var TasksToSerialize = new ObservableCollection <Tasks>(_Tasks.Where(x => x.ID > 0));
XmlSerializer Serializ = new XmlSerializer(typeof(ObservableCollection <Tasks>));
using (Stream Steam = await ApplicationData.Current.LocalFolder.OpenStreamForWriteAsync("Tasks.xml", CreationCollisionOption.ReplaceExisting))
{
Serializ.Serialize(Steam, TasksToSerialize);
}
}
catch (Exception s) when((s.Message.Contains("denied")) && (Attempts < 10))
{
await SaveTasks(Stream, _Tasks, Attempts + 1);
}
catch (Exception s)
{ }
await TDTSharedCode.BackgroundTask();
}
