Drag and Drop listbox items and persist dropped data

Hi,

I am new to C# and WPF, i have to do drag drop the listbox items from one listbox to another and i need to persist the dropped item for next use of application.

I am able to drag and drop the items but i am failed to save the listbox items (which are dragged from other control). I am using XMLDataprovider for first list box which have some images.

You help will be appreciate. any one can throw some ideas how to achieve this?

Thanks in advance