What are multiple-selection list boxes in PowerShell?

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A multiple-selection list box in PowerShell is a graphical user interface element that allows the user to select one or more items from a list of options. It is commonly used in GUI applications to allow users to select multiple options that apply to a specific task or operation. Multiple-selection list boxes can be created using the Windows Forms class in PowerShell, and can be customized with various properties and methods to suit the specific needs of the application.