BY default, the Resizable property is exResizableBoth, which indicates that the starting or ending margins of the event can be resized at runtime. The Resizable property indicates whether an event can be resized or what margin of the event can be resized. The  MinDate/MaxDate properties of the Event indicates the lower or upper margins where the event can be moved. The UpdateEvent event occurs once an event is resized or moved. The AllowResizeEvent property indicates the combination of the keys to let user resizes the events. The UpdateEventsLabel property indicates the HTML format to be shown on the label when the user moves the events. The UpdateEventsLabelAlign property aligns the label being shown when the user moves the event. The Background(exScheduleUpdateEventsBackColor)  and Background(exScheduleUpdateEventsForeColor)  specifies the visual appearance of the event being moved. The AllowCreateEvent property indicates the combination of the keys to let user creates new events. The AllowMoveEvent property indicates the combination of the keys to let user moves the events. The Selectable property specifies whether the event can be selected at runtime. The Movable property specifies whether the event can be moved at runtime. 

For instance, the The AllowMoveEvent property on exDisallow, indicates that no event can be moved at runtime.