I have a Winforms app, C#, .Net Framework 4.6.1, DevExpress version 18.1. I'm stuck with those versions. I want to be able to drag and drop a row from a DevExpress GridView to a DevXpress ScheduleControl. This site shows how to do it, but apparently it's only for more recent versions. I've searched for any documentation on older versions, but can't find anything; all the DevExpress comments seem to point back to that site. Is it possible to drag and drop in older versions? If so, how do I do that? Is there any documentation?
Here's the page that shows exactly what I want to do:
The documentation says to use the event PrepareDragData, but there is no such event. I tried to manually add the event and get an error. I also tried other similar sounding events like DragOver, but it did not work. There is also references to an object named AppointmentExchangeData that I don't know what it is or have a reference too.
Here's the PrepareDragData method from my code and the errors it shows.
