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Editorial Team
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Asked: 2026-06-12T17:10:13+00:00

Is it possible to load an image from a TImageList into a TTrayIcon at

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Is it possible to load an image from a TImageList into a TTrayIcon at runtime? How? Is this a good idea? Or is there a more preferred method for changing the tray icon’s image at runtime?

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  1. Editorial Team

    Tested on Windows with Lazarus 0.9.30.4 using an image list composed of translucent png images, it is possible by using a temporary bitmap:

    var
  Bmp: TBitmap;
begin
  Bmp := TBitmap.Create;
  try
    ImageList1.GetBitmap(0, Bmp);
    TrayIcon1.Icon.Assign(Bmp);
    TrayIcon1.Show;
  finally
    Bmp.Free;
  end;

    I don’t see anything wrong with assigning the icon from an image list image at run-time. Also see example at the component’s wiki page for other possible implementations for assigning the icon at run-time.

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