procedure AddDisableBMP(SB : array of TObject);
 var
  BM, SBM : TBitmap;
  w, x, y, NewColor, i : integer;
  PixelColor : TColor;
 begin
  BM := TBitmap.Create;
  SBM := TBitmap.Create;
  try
  for i := 0 to High(SB) do
  begin
  if (SB[i] is TSpeedButton) then
  BM.Assign((SB[i] as TSpeedButton).Glyph)
  else if (SB[i] is TBitBtn) then
  BM.Assign((SB[i] as TBitBtn).Glyph)
  else
  Exit;
  if not Assigned(BM) or (BM.Width <> BM.Height) then Exit;
  w := BM.Width;
  SBM.Width := w * 2;
  SBM.Height := w;
  SBM.Canvas.Draw(0, 0, BM);
  for x := 0 to w - 1 do
  for y := 0 to w - 1 do
  begin
  PixelColor := ColorToRGB(BM.Canvas.Pixels[x, y]);
  NewColor := Round((((PixelColor shr 16) + ((PixelColor shr 8) and $00FF) +
  (PixelColor and $0000FF)) div 3)) div 2 + 96;
  BM.Canvas.Pixels[x, y] := RGB(NewColor, NewColor, NewColor);
  end;

  SBM.Canvas.Draw(w, 0, BM);
  if (SB[i] is TSpeedButton) then with (SB[i] as TSpeedButton) do
  begin
  Glyph.Assign(SBM);
  NumGlyphs := 2;
  end
  else
  with (SB[i] as TBitBtn) do
  begin
  Glyph.Assign(SBM);
  NumGlyphs := 2;
  end;
  BM := TBitmap.Create;
  SBM := TBitmap.Create;
  end;
  finally
  BM.Free;
  SBM.Free;
  end;
 end;