Returns or sets a scale factor for all bubble series on the specified chart. The default value is 100, and the valid range is 0�300. The value of this property indicates the bubble size relative to the default setting. Setting the BubbleScale property to 300 (three times greater than the default value) produces a chart on which the bubbles appear three times the default size. Read/write Double.
expression.BubbleScale
expression Required. An expression that returns a ChChart object.
This example sets the bubble scale factor for the specified chart in the chart workspace. Note that Charts(0) must refer to a bubble chart.
ChartSpace1.Charts(0).BubbleScale = 200