Application.ActiveChart Property (Excel)
Returns a Chart object that represents the active chart (either an embedded chart or a chart sheet). An embedded chart is considered active when it's either selected or activated. When no chart is active, this property returns Nothing.
Syntax
expression .ActiveChart
expression A variable that represents an Application object.
Remarks
If you don't specify an object qualifier, this property returns the active chart in the active workbook.
Example
This example turns on the legend for the active chart.
ActiveChart.HasLegend = True