This dialog appears when you right-click a chart and then select Format Gridlines (unavailable to pie, indicator, heat map and org charts) > Format Category(X) Gridline from the shortcut menu. It helps you to format the gridlines shown on the category (X) axis. See the dialog.
Color
Specifies the color schema of the gridlines.
Transparency
Specifies the transparency of the color that is applied to the gridlines.
Line Style
Specifies the line style of value gridlines.
Thickness
Specifies the thickness of value gridlines.
OK
Applies the changes and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Help
Displays the help document about this feature.
