Sets or returns a Shading.ShadingPattern object that represents the shading pattern used.

public ShadingPattern Pattern{ get; set; }
Public Property Pattern() As ShadingPattern

MS Word equivalent: Format menu > Borders and Shading... > Shading tab > Patterns section > Style:

          //--- Return Pattern
          ShadingShadingPattern shadPattern = shad.Pattern;

          //--- Set Pattern
          shad.Pattern = Shading.ShadingPattern.DarkVertical;
        
          '--- Return Pattern
          Dim shadPattern As Shading.ShadingPattern = shad.Pattern

          '--- Set Pattern
          shad.Pattern = Shading.ShadingPattern.DarkVertical