View all your SharePoint Events in a Single Calendar View. Virto Ajax Web Part Calendar enables users to view all of their events from different SharePoint lists in one single calendar. Virto Ajax Calendar surpasses the existing SharePoint calendar view's functionality by allowing users to specify the list or view, color code the displayed items by category of events such as internal or external, view day, week, month, year, and Gantt view. Virto Web Part Calendar for SharePoint also provides users with the ability to create any new event with just a single click. Included with Virto Ajax Web Part Calendar are editing features that will make working with SharePoint easy and pleasant. If you need to change the date of the event, simply drag and drop it to the appropriate calendar cell.