1. New a graph and click Draw Data toolbar button to open Graph Annotator dialog

2. Click Start button and add some points, click Worksheet button and click Graph button to active back graph

3. Change Add Data Mode as Append, and click Start button to pick some points

==> A new sheet was created and new picked points are added in the new sheet

Now in Origin2023, after Step2, Add Data Mode is disable, and support Symbol Size in the Graph Annotator