ProS Preferences Process Switch To make an application active, click on its icon. To change how the applications' icons are displayed, click on the arrow. To resize the module, drag the size box. Process Switch To make an application active, click on its icon. To change how the applications' icons are displayed, click on the arrow. To resize the module, drag the size box. Process Switch Click here to switch to the next application, control-click to the previous one, and command-click to the last active one. To change how the icons are displayed, click on the arrow. To resize the module, drag the size box.