Sets the dash pattern for a specific dash style. Values in pattern correspond to dashes and spaces, starting with the first dash. The actual length of each dash and space in the line is the product of the specified value and the width of the pen used to draw the line.

'Declaration
 
Public Sub SetDashPattern( _
   ByVal dashStyle As DashStyle, _
   ByVal pattern() As Double _
) 

public void SetDashPattern( 
   DashStyle dashStyle,
   double[] pattern
)