TGtkDeviceContext
Origin
Offset
CurrentBitmap
CurrentFont
CurrentPen
CurrentBrush
CurrentPalette
ClipRegion
GCValues
GDIObjects
HasTransf
MapMode
ViewPortExt
ViewPortOrg
WindowExt
SelectedColors
Flags
OwnedGDIObjects
Drawable
Widget
GC
WithChildWindows
ROP2