I am afraid currently such event is not available, however we will consider its implementation for future versions of the product. Please excuse us for the inconvenience caused.
On a side note, if you wish you may create an entry for a future request at our UserVoice forum
. This way the other users can evaluate it. When planning for a release we take into account all the feedback from the UserVoice. The more votes the suggestion collects, the higher priority will have.
the Telerik team
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