This dialog appears when you click the Pattern List button in the Fill tab when you format elements of a chart. It is used to modify the fill effect of data markers in the same group respectively. See the dialog.
The following are details about options in the dialog:
Pattern
Specifies the patterns and the transparency for the data markers. Click the small squares in the color tray one by one to pick the patterns for the data markers.
Advanced
Opens the Advanced dialog to specify the fill effect for certain values.
OK
Applies the changes and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Help
Displays this help document.