Hello, I’m using Model.setCategoryForNodeData to switch a node between templates at runtime. The target template defines custom underscore-prefixed properties (e.g. _detailedFlag, _shouldResize) on the Node, but the source template does not have them. After calling setCategoryForNodeData, the Part…

No, that’s a bug. You’ll note that attached properties (i.e. properties that aren’t defined by the class but are set on the instance and whose names start with “_”) are correctly copied on all of the GraphObjects that are copied from the new node template. The bug is that we’re not doing that on t…

setCategoryForNodeData does not apply custom underscore-prefixed properties from the new template

GoJS

walter March 5, 2026, 5:17pm 3