Hi MrYang,
Yes, you can control this using Drag Events.
private void tileView1_TileDragStarted(object sender, TileDragStartedEventArgs e)
{
    if (!CanDrag(e.DragElement))
        TilePanel.StopDrag(e.DragElement, true);
}
private void tileView1_TileDrag(object sender, TileDragEventArgs e)
{
    e.CancelTarget = !CanDoDragDrop(e.TargetElement, e.DragElement);
}
private bool CanDrag(UIElement uIElement)
{
    return false;
}
private bool CanDoDragDrop(UIElement uIElement, UIElement uIElement_2)
{
    return false;
}
Marin