In Creator 2.x, you can try
Demo:
NewProject_2411.zip (234.0 KB)
In Creator 3.x, you can try
label.string = ...;
label.updateRenderData(true)
const size = label.node.getComponent(UITransform).contentSize;
Demo:
NewProject_2411.zip (234.0 KB)
label.string = ...;
label.updateRenderData(true)
const size = label.node.getComponent(UITransform).contentSize;