Fires when a manipulator element is selected.
| Name | Type | Description |
| SelectedManipulatorElement | ManipulatorElementEnum | Returns a ManipulatorElementEnum indicating the element of the manipulator that was selected for this drag operation. |
| BeforeOrAfter | EventTimingEnum | Input EventTimingEnum indicating if the event is being fired before (kBefore) or after (kAfter) the manipulator element move. |
| Context | NameValueMap | Input NameValueMap object that can be used to determine the context of why the event fired.
Name=”UserDrag”,Value=Boolean. This indicates whether this event is fired because of user drags manipulator, this returns False if this is fired because of calling ApplyDrag method. |
| HandlingCode | HandlingCodeEnum | Output HandlingCodeEnum that indicates how you are handling the event. The value of this argument is currently ignored for this event. |