The first step in understanding the Drag and Drop Manager is to learn the terminology surrounding it. The terminology is summarized in the following table.
The following figure gives you a visual representation of the terminology:
There are three phases to a drag-and-drop operation:
Flex components fall into two groups when it comes to drag-and-drop support, those with enhanced drag-and-drop functionality and those without it. The following list-based controls have enhanced support for drag and drop:
What this means to you as a developer is that your life will be a little bit easier when implementing drag and drop with those controls that have enhanced support. In fact, in many cases it might be no more than setting a single property value for each of the controls involved in the drag-and-drop operation.