Application.WorkbookNewChart Event (Excel)
Occurs when a new chart is created in any open workbook.
The WorkbookNewChart event occurs when a new chart is inserted or pasted in a worksheet, a chart sheet, or other sheet types. If multiple charts are inserted or pasted, the event will occur for each chart in the order they are inserted or pasted. If a chart object or chart sheet is moved from one location to another, the event will not occur. However, if the chart is moved between a chart object and a chart sheet, the event will occur because a new chart must be created.
The WorkbookNewChart event will not occur in the following scenarios: copying or pasting a chart sheet, changing a chart type, changing a chart data source, undoing or redoing inserting or pasting a chart, and loading a workbook that contains a chart.