Disables horizontal averaging.
Err DisableHAVG (Item screenItem)
DisableHAVG
disables horizontal averaging of the specified screen. Vertical averaging is left undisturbed.
The call returns 0 if successful or an error code (a negative value) if an error occurs.
Folio call implemented Graphics folio V20.
graphics.h, graphics.lib
DisableVAVG
(), EnableHAVG(), EnableVAVG()