t R2_NOT = 6 ' Dn
     Private Const R2_NOTCOPYPEN = 4 ' PN
     Private Const R2_NOTMASKPEN = 8 ' DPan
     Private Const R2_NOTMERGEPEN = 2 ' DPon
     Private Const R2_NOTXORPEN = 10 ' DPxn
     Private Const R2_WHITE = 16 ' 1
     Private Const R2_XORPEN = 7 ' DPx
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As
 Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal
 hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long)
 As Long
Pr