Luca Olivetti via lazarus <lazarus@lists.lazarus-ide.org> schrieb am Mo., 27. März 2023, 10:34:
> El 27/3/23 a les 10:13, Jean SUZINEAU via lazarus ha escrit: > > > > Le 27/03/2023 à 09:46, Luca Olivetti via lazarus a écrit : > >> procedure TUpdateThread.Execute; > >> begin > >> while not Terminated do > >> begin > >> FWaitForm.ShowProgress; > >> Sleep(30); > >> end; > >> end; > > > > Usually I use TThread.Synchronize to ensure that the graphic code is run > > by the main thread. > > > > But it won't work if your main thread is blocking. > > Exactly > > > > > May be you should do the inverse move the lengthy operation to a > > separate thread and keep the main thread for the splash screen ? > > Yes, I usually do that, but in this case it's not possible (the lengthy > operation is just a TSQLQuery.open that I cannot delegate to a > different thread). > You need to find a way then, because the GUI handling *must* be done in the main thread. Regards, Sven >
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