This dialog appears when you double-click a category (X) gridline of a chart, or right-click a chart and then select Format Gridlines > Category(X) Gridline from the shortcut menu. It helps you to format the category (X) gridlines in this chart. See the dialog.
The following are details about options in the dialog:
Line Color
Specifies the color schema of the category (X) gridlines.
Line Style
Specifies the line style of the category (X) gridlines.
Transparency
Specifies the transparency of the color of the category (X) gridlines.
Thickness
Specifies the thickness of the category(X) gridlines, in pixels.
OK
Applies the changes and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Apply
Applies all changes and leaves the dialog open.
Help
Displays this help document.
