I need to recieve data dragged from another application into my program in the form of Clipboard data. Question: how will I know when the user has dropped the data "in" (my app will already be running)? I will use a thread, presumably, but I just don't know when to initiate the transfer. I thougt maybe windows sends my app a message, but of the possible ones, none seemed conspicuous. Nonetheless, I'll try those first, but if anyone here knows, I'd appreciate the tip!