while dragging, I don't see helper-lines in Silverlight
问题 Silverlight 4, Toolkit During dragging an item on TARGET CONTROL, there are NOT visible lines showing (during mouse move) actual position where will be dragged item put on (for example, between items, inside item, before item, …) source control <toolkit:ListBoxDragDropTarget AllowDrop="False" AllowedSourceEffects="Copy, Link, Scroll"> <ListBox ItemsSource="{Binding ToolboxItems}"> <ListBox.ItemTemplate> <DataTemplate> <!-- some binding --> </DataTemplate> </ListBox.ItemTemplate> </ListBox> <