private void OnDropTargetDragEnterBt(object sender, SurfaceDragDropEventArgs e)
{
if (e.OriginalSource is FrameworkElement)
{
var fe = e.OriginalSource as FrameworkElement;
if (fe.DataContext is BluetoothDevice)
{
// Drop target must be a device not the list control
e.Cursor.Visual.Tag = "DragEnter";
}
}
}