[Solved ] Timagelist.Onchage does not trigger when adding images?
lazarus / 31-LCL

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jamie · 2018-01-26 03:30

Isn't this event suppose to trigger when adding, deleting images ?
Does not seem to do anything here.

laz 1.8.0 Windows.

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balazsszekely · 2018-01-26 04:33

The following code works fine with Lazarus Trunk/FPC 3.0.4:
Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i procedure
TForm1.Button1Click(Sender: TObject);var  Bmp: TBitmap;begin  Bmp :=
TBitmap.Create;  try    Bmp.Width := 16;    Bmp.Height := 16;   
Bmp.Canvas.Brush.Color := clRed;    Bmp.Canvas.FillRect(0, 0, 16,
16);    ImageList1.Insert(0, Bmp, Bmp);  finally    Bmp.Free; 
end;end; procedure TForm1.Button2Click(Sender: TObject);begin 
ImageList1.Delete(0);end; procedure TForm1.ImageList1Change(Sender:
TObject);begin  ShowMessage('changing');end; 
OnChange is triggered both on Button1 and Button2 click.

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jamie · 2018-01-26 21:56

I must apologize, it seems I set the OnChange event to the wrong
TimageList, not the one I was actually
working with..

 Sorry about that, disaster is averted !

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balazsszekely · 2018-01-26 22:03

No problem @jamie. I'm glad it's working.