The following functions are valid when received after GreBeginArea and before GreEndArea:

• GreArc
  
• GreAreaSetAttributes (valid only for color, mix, and valid line attributes)
  
• GreBoxBoundary
  
• GreDeviceSetAttributes (valid only for color, mix, and valid line attributes)
  
• GreDeviceSetGlobalAttribute (valid only for foreground color and mix)
  
• GreFullArcBoundary
  
• GrePartialArc
  
• GrePolyFillet
  
• GrePolyFilletSharp
  
• GrePolyLine
  
• GrePolySpline
  
• GreQueryCharStringPos
  
• GreQueryTextBox
  
• GreSetArcParameters
  
• GreSetAttributes (valid only for color, mix, and valid line attributes)
  
• GreSetCurrentPosition
  
• GreSetGlobalAttribute (valid only for foreground color and mix)
  
• GreSetModelXform