{Initgrf.PAS}
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 {Sample code for the Initgrf procedure.}

  uses Graph;

 var
   grDriver: Integer;
   grMode: Integer;
   ErrCode: Integer;
 begin
   grDriver := Detect;
   InitGraph(grDriver, grMode,'');
   ErrCode := GraphResult;
   if ErrCode = grOk then
   begin  { Do graphics }
     Line(0, 0, GetMaxX, GetMaxY);
     Readln;
     CloseGraph;
   end
   else
     Writeln('Graphics error:', GraphErrorMsg(ErrCode));
 end.