ode As Long) As Long
     Private Const R2_BLACK = 1 ' 0
     Private Const R2_COPYPEN = 13 ' P
     Private Const R2_LAST = 16
     Private Const R2_MASKNOTPEN = 3 ' DPna
     Private Const R2_MASKPEN = 9 ' DPa
     Private Const R2_MASKPENNOT = 5 ' PDna
     Private Const R2_MERGENOTPEN = 12    ' DPno
     Private Const R2_MERGEPEN = 15 ' DPo
     Private Const R2_MERGEPENNOT = 14    ' PDno
     Private Const R2_NOP = 11    ' D
     Private Const R2_NOT = 6 ' Dn
     Private Const R2_NOTCOPYPEN = 4 ' PN
 