I use the list box, which has about 500 thumbnails (items) that you can sort and search for.
Since I use default binding descriptors and search descriptors (which I heard are slow due to reflection), the list takes a noticeable pause in a few seconds, loading, sorting and performing a search (the list is dynamically updated depending on the contents of the search window so that the first or two letters entered were very slow).
I don’t think I can completely stop thinking to give time for the project, and the speed is not very important, but I would like some kind of graphic indication of the delay, so it does not confuse the user. How can I do something like a video upload screen on a website where a list selector and some kind of boot circle indicate it is being processed until the list is ready? Or even just grayish with the words "Loading ..." for a few seconds may work. Any ideas?
Thank you in advance for your help and suggestions!
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