private async void shareOneItem(object sender, RoutedEventArgs e)
{
var dc = (sender as FrameworkElement).DataContext;
var item = (MainListView.ContainerFromItem(dc) as ListViewItem).Content as TodoItem;
sharetitle = item.Title;
sharedetail = item.Description;
string shareimgname = item.ImageUrl;
var date = item.DueDate.Date;
sharedate = "\nDue date: " + date.Year + '-' + date.Month + '-' + date.Day;
if (string.IsNullOrEmpty(shareimgname))
{
shareimg = await Package.Current.InstalledLocation.GetFileAsync("Assets\\icons8-task-50.png");
}
else
{
shareimg = await ApplicationData.Current.LocalFolder.GetFileAsync(shareimgname);
}
DataTransferManager.ShowShareUI();
}