We are using the MultiSelect control to show a list of options that users frequently need to select more than one of. To do this, they have to click the control, scroll and select a value from the dropdown, then click the control again, scroll and select the second value, repeat until all options have been selected.
I'm looking for an option to let them select multiple options in the MultiSelect control at the same time without having to reclick and rescroll the options every time. Is there a way to either keep the dropdown open when a selection has been made or allow a key press of say the CTRL key to allow multiple items to be selected at the same time?
I've attached a screenshot of the example MultiSelect that I am trying to pull this off on, I can include the code as well if that is needed.