The Old New Thing

Reading a contract from the other side: Simulating a drop

July 24, 2008 Jul 24, 2008 07/24/08

Raymond Chen

Most people, when they think of the IDropTarget interface, think only of implementing a drop target. But you can read the contract from the other side, because the description of how a drag source interacts with a drop target tells you how to be a drag source. To summarize, the sequence of drop target operations go like this: IDropTarget...