property Frame.Pattern as Pattern
Specifies the pattern of the frame.

TypeDescription
Pattern A Pattern object that defines the pattern/borders to be shown on the frame.
By default, the frame shows a thick-black border around the nodes, so the Pattern.Type property is exPatternFrameThick. The ShowOnBackground property specifies whether the frame is shown on the back or front of the chart. The Visible property shows or hides a specified frame. 

The following screen shot shows a pattern on the node:

The following screen shot shows a pattern on the frame: