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<blockquote data-quote="morpheus_xx" data-source="post: 1036902" data-attributes="member: 48495">I created the ObservableCollection recently, but after doing so, I think it's not the best idea to use them. The problem is that it fires change notification after each change (add, remove), which is slow. So I hesitate to merge this branch, as it is not an optimal solution for MPF.Please use the ItemsList, its the MPF way for list bindings. Don't forget to call &quot;ItemsList.FireChanged&quot; once, after list has been rebuilt completely.Another thing: we are unfortunately missing the HeaderedItemsControl in MPF, so you might look for alternatives. I could use such a control also in other places, it would help a lot (i.e. TV guide) <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown&nbsp; &nbsp; :(" loading="lazy" data-shortname=":(" /></blockquote>

[QUOTE="morpheus_xx, post: 1036902, member: 48495"] I created the ObservableCollection recently, but after doing so, I think it's not the best idea to use them. The problem is that it fires change notification after each change (add, remove), which is slow. So I hesitate to merge this branch, as it is not an optimal solution for MPF. Please use the ItemsList, its the MPF way for list bindings. Don't forget to call "ItemsList.FireChanged" once, after list has been rebuilt completely. Another thing: we are unfortunately missing the HeaderedItemsControl in MPF, so you might look for alternatives. I could use such a control also in other places, it would help a lot (i.e. TV guide) :( [/QUOTE]

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