This dialog appears when you double-click a series (Z) gridline of a chart, or right-click a chart and then select Format Gridlines > Series(Z) Gridline from the shortcut menu. It helps you to format the series (Z) gridlines in this chart. See the dialog.
The following are details about options in the dialog:
Line Color
Specifies the color schema of the series (Z) gridlines. Click the color image button to display the color palette in which you can select a color, or click More Colors to customize the color within a wider range in the Pick a Color dialog. You can also input the hexadecimal value of a color directly in the text box after #.
Line Style
Specifies the line style of the series (Z) gridlines.
Transparency
Specifies the transparency of the color of the series (Z) gridlines.
Thickness
Specifies the thickness of the series (Z) gridlines.
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.