private async void OnFlyOutButtonClickAsync(object sender, RoutedEventArgs e)
{
TaskCreationModal dialog = new TaskCreationModal();
dialog.StartDate.Date = new DateTime(year, month, day);
dialog.EndDate.Date = new DateTime(year, month, day);
await dialog.ShowAsync();
}
private async void NonCalendarOnFlyOutButtonClickAsync(object sender, RoutedEventArgs e)
{
TaskCreationModal dialog = new TaskCreationModal();
await dialog.ShowAsync();
}