I need to change the list behavioral to enable multiple selections with a click on each item
In list, instead of using the control
In your itemClick handler, check the selectedItems property, and add to it. You might need to maintain a separate collection object and bind the selectedItems property to it.
The question becomes how to unselect an item. If it is already selected, clicking it again can unselect it, and clicking a submit button or comparable action could do the same.
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