I am currently working on a powershell script that will use 4 combo box controls. I would like for them to all use the same data source whether it be an array or just a .txt file. I would like for each selection to be unique so that no 2 combo boxes can have the same item selected. Is there a way to hide the item selected in the data source so the other combo boxes do not even have the option to select it and then when the user changes the item in one of the combo boxes the item is available again?
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