private async void GetTodayEventsButton_Click(Object sender, RoutedEventArgs e)
{
try
{
var options = new List <QueryOption>
{
new QueryOption("startDateTime", DateTime.Today.ToString("o")),
new QueryOption("endDateTime", DateTime.Today.AddDays(1).ToString("o"))
};
calendar = await graphClient.Me.Calendar.CalendarView.Request(options)
.Select("subject,organizer,location,start,end")
.GetAsync();
MyEvents = new ObservableCollection <Models.Event>();
foreach (var myEvent in calendar)
{
MyEvents.Add(new Models.Event
{
Id = myEvent.Id,
Subject = (myEvent.Subject != null) ?
myEvent.Subject :
"No subject",
Location = (myEvent.Location != null) ?
myEvent.Location.DisplayName :
"Unknown location",
Organizer = (myEvent.Organizer != null) ?
myEvent.Organizer.EmailAddress.Name :
"Unknown organizer",
Start = DateTime.Parse(myEvent.Start.DateTime).ToLocalTime(),
End = DateTime.Parse(myEvent.End.DateTime).ToLocalTime()
});
}
EventCountTextBlock.Text = $"You have {calendar.Count()} events today:";
EventsDataGrid.ItemsSource = MyEvents;
}
catch (ServiceException ex)
{
EventCountTextBlock.Text = $"We could not get today's events: {ex.Error.Message}";
}
}
