Provides entry points to initialize the new drag-and-drop operation.
| title | The title displayed near the pointer to identify what is being dragged. Should be set during the BaseVerticalCollectionView.setupDragAndDrop callback. |
| visualMode | The mode to use for this drag-and-drop operation. |
| StartDragArgs | Initializes a StartDragArgs. |
| SetGenericData | Sets data associated with the current drag-and-drop operation. |
| SetUnityObjectReferences | Sets Unity Objects associated with the current drag-and-drop operation. |