This really depends on the user case - if you don't have many Appointments it shouldn't be a problem then. It also depends on the elements inside of the UserControl - how heavy they are to render. However as many UI elements you have to render, the slower the rendering process would be. What I can suggest is that you simply test the desired scenario and see if it is fast enough for you. And also as we have already told you in the other forum thread
we are planing to improve the performance of the SpecialSlots
, so what I can suggest is to track the Feedback item
Hope this helps.
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