The example increases the size of the chart plot using the LocationRect property and the x and y properties of the Rect object.
Private Sub Command1_Click()
' Increase the size of the chart plot.
MSChart1.Plot.AutoLayout = False
With MSChart1.Plot.LocationRect
.Min.x = .Min.x * 1.2
.Min.y = .Min.y * 1.2
.Max.x = .Max.x * 1.2
.Max.y = .Max.y * 1.2
End With
End Sub