August 2003
Intermediate to advanced
736 pages
14h 48m
English
Content preview from Windows Forms Programming in C#Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Drag and Drop
No matter what kind of controls you're using or building, often you'd like to enable the user to drag data from one to another. This communication protocol, known as drag and drop, has long been standardized and is fully supported in WinForms for both targets and sources.
The Drop Target
Adding drag and drop to your application involves two elements: the drop target and the drop source. First, you must have a control that supports having things dragged and dropped onto it. This kind of control is known as the drop target. You designate your target by setting the AllowDrop property of the control to true.
Next, you make the target control subscribe to one or more of the drag-and-drop events:
DragEnter is fired when the mouse enters ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.