How to change linking line style like relinking

#1

create a new link

WX20200112-101802%402x
WX20200112-101802@2x.png1216×630 22.5 KB

relink style

WX20200112-101858%402x
WX20200112-101858@2x.png696×382 9.43 KB

how to keep line in a same style when create a new link and relink

#2

Are you asking about https://gojs.net/latest/api/symbols/LinkingBaseTool.html#temporaryLink ?
You can certainly set its properties the way that you want.

I cannot tell what you want to do.