Will creating a drag source after the start of drag operation ensure that the new drag source will still be informed of the drag that is happening now?
在开始拖放操作之后创建一个拖放源，这样做是否能够确保这个新的拖放源可以接收现在发生的拖放操作的通知？
The main concern now is that a new drag source is created after the start of a drag operation.
现在我们主要关心的是在开始拖放操作之后创建了一个新的拖放源。
Explains how to start a drag-and-drop operation.
解释如何开始拖放操作。
Explains how to start a drag-and-drop operation.
解释如何开始拖放操作。
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