procedure TMainForm.RadioGroup1Click( Sender: TObject );
var
  i: Integer;
  hobj: Integer;
begin
  // the radiogroup items are: 0 'Resize and Move' 1 'Move'
  // setting the ObjStyle automatically sets the appropriate cursors
  for i := 0 to ImageEnVect1.SelObjectsCount - 1 do
  begin
    hobj := ImageEnVect1.SelObjects[ i ];
    if ( RadioGroup1.ItemIndex = 1 ) then
    begin
      // Only allow moving objects
      ImageEnVect1.ObjStyle[ hobj ] := ImageEnVect1.ObjStyle[ hobj ] - [ ievsSizeable ];
    end
    else
    begin
      // Allow object resizing and moving
      ImageEnVect1.ObjStyle[ hobj ] := ImageEnVect1.ObjStyle[ hobj ] + [ ievsSizeable ];
    end;
  end;
end;

procedure TMainForm.ImageEnVect1ObjectMoveResize( Sender: TObject; hobj, Grip: Integer; var OffsetX, OffsetY: Integer );
begin
  ASelectionChanging := true;
  // Only allow moving objects
  if Grip <> 3 then // Grip 3 is the selection grip... all other grips are resizing grips
  begin
    OffsetX := 0;
    OffsetY := 0;
  end;
end;

procedure TForm1.ImageEnVect1SetCursor(Sender: TObject; var Cursor: TCursor);
begin
  Cursor := 1785;
end;