How does gojs make a node stop dragging?

how does gojs make a node stop dragging

Apr.05,2021

var myDiagram = $(go.Diagram, "canvas", {

)
isReadOnly: true // 

})
so that all nodes can not be dragged


selectable property dynamic setting
image.png

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b30bb2-2bd44.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30bb2-2bd44.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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