I have many pictures to show. The ImageBrowser-Control has some kind of support for lazy loading. The problem is just that the thumbnail of items scrolling into the viewport are not loaded.
Hello Holger,Thank you for the image and details provided.The pointed behavior was considered a bug in an older version. It was fixed is the following issue:
In this case, I would recommend updating all the Kendo UI scripts and observe the result that could be found in the following demo:
Open the "New Folder" and observe the behavior.
I hope this information helps.
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