How to Hide Tooltips Instantly

GoJS
1

How to hide tooltips on click & drag a node in canvas?
How to hide tooltips on click & drag a group in canvas?
How to hide tooltips on drag a node?
How do I achieve this ?

Please give me some example.

2

To remove any tooltip that is showing, call myDiagram.toolManager.hideToolTip()

It seems as if you only want to hide any tooltip when starting the DraggingTool, is that right? If so, you could override DraggingTool.doActivate to call hideToolTip. Remember to call the super method.