MinorGridlines Property

Returns a Gridlines object that represents the minor gridlines for the specified axis. Only axes in the primary axis group can have gridlines. Read-only.

This example sets the color of the minor gridlines for the value axis in the chart to blue.

With myChart.Axes(xlValue) 
 If .HasMinorGridlines Then 
 .MinorGridlines.Border.ColorIndex = 5 
 End If 
End With
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