Advanced User Interface Controls and Components
Inserts a new item at position before specified item in ListView component.
| Param | Type | Details |
|---|---|---|
| item | Object | The item to add to the collection |
| refItem | Object | A reference item before which the newly added item will be positioned |
This method does not return a value.
Use this method to add a new item before some other item as a reference.
Supported in: v1.0.