This is an extension and not part of the main GoJS library. Note that the API for this class may change at any time. If you intend to use an extension in production, you should copy the code to your own source directory. See the Extensions intro page for more information.
Optional init: Partial<NonRealtimeDraggingTool>Gets or sets how long the movement animation should be to move the actual parts upon a mouse-up. The default value is zero -- there is no animation of the movement.
OverridecomputeCall the base method, and then make an image of the returned collection, show it using a Picture, and hold the Picture in a temporary Part, as _imagePart.
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The NonRealtimeDraggingTool class lets the user drag an image instead of actually moving any selected nodes, until the mouse-up event.
If you want to experiment with this extension, try the Non Realtime Dragging sample.