21canvas = RCanvas.Create(
"RBox drawing")
 
   23box1 = canvas.Draw[RBox](RPadPos(0.1, 0.1), RPadPos(0.3, 0.6))
 
   24box1.border.color = RColor.kBlue
 
   26box1.fill.color = RColor(0, 255, 0, 127) 
 
   27box1.fill.style = RAttrFill.kSolid
 
   29box2 = canvas.Draw[RBox](RPadPos(0.4, 0.2), RPadPos(0.6, 0.7))
 
   30box2.border.color = RColor.kRed
 
   32box2.border.style = RAttrLine.kDashed
 
   33box2.fill.color = RColor(0, 0, 255, 179) 
 
   34box2.fill.style = RAttrFill.kSolid
 
   36box3 = canvas.Draw[RBox](RPadPos(0.7, 0.4), RPadPos(0.9, 0.6))
 
   38box3.fill.color = RColor.kBlue
 
   39box3.fill.style = RAttrFill.kSolid
 
   41box4 = canvas.Draw[RBox](RPadPos(0.7, 0.7), RPadPos(0.9, 0.9))
 
   44box5 = canvas.Draw[RBox](RPadPos(0.7, 0.1), RPadPos(0.9, 0.3))