I’m sorry, but I do not understand your question.
Have you read GoJS Coordinate Systems-- Northwoods Software ?
首先很抱歉我没有表达清楚问题意思,我的结构图禁止了单个节点的拖动,但是没有禁止对整个结构图的拖动,现在的问题就是,我不能将整个结构图拖出文档边缘,似乎有什么东西挡住,不让他拖出外界
I still do not understand. Could you be more specific about what you want the user to be able to do?
And I still think reading that Introduction page about documentBounds and scrollMode might help.