- Tk_Attributes.tk86(3), Tk_WindowId(3), Tk_Parent(3), Tk_Display(3), Tk_DisplayName(3), Tk_ScreenNumber(3), Tk_Screen(3), Tk_X(3), Tk_Y(3), Tk_Width(3), Tk_Height(3), Tk_Changes(3), Tk_Attributes(3), Tk_IsContainer(3), Tk_IsEmbedded(3), Tk_IsMapped(3), Tk_IsTopLevel(3), Tk_ReqWidth(3), Tk_ReqHeight(3), Tk_MinReqWidth(3), Tk_MinReqHeight(3), Tk_InternalBorderLeft(3), Tk_InternalBorderRight(3), Tk_InternalBorderTop(3), Tk_InternalBorderBottom(3), Tk_Visual(3), Tk_Depth(3), Tk_Colormap(3), Tk_Interp (3)
- retrieve information from Tk's local data structure
