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More efficient way of Loading data in XamDataGrid by using Dispatcher

Hi all,

I have a xaml file with xamdatagrid that receives through the following line the data.



DispatcherPriority.ContextIdle, new Action(() => this.FeedData.Add(feedDataItem)));

If I don't use the Dispatcher it shows me the following error:

"XamDataGrid does not support changes (other than INotifyPropertyChanged.PropertyChanged or ListChangedType.ItemChanged) to its DataSource from a thread different from its Dispatcher thread."

Using the Dispatcher sorted out the problem but now it takes a LOT more longer to load the data in the UI from the Model. I need to use the dispatcher since in my file I'm using the INotifyPropertyChanged once more because I'm flagging a spinner to show when the data has finished loading.

Could you please advise me on how to change or what I could use to improve the efficiency of my code.

I am looking forward to hearing from you!

Kind regards,