FileChooserOpenedEventArgs Properties | 
The FileChooserOpenedEventArgs type exposes the following members.
| Name | Description | |
|---|---|---|
| BackendNodeId | 
            Input node id. Only present for file choosers opened via an <input type="file" > element.
              | |
| FrameId | 
            Id of the frame containing input node.
              | |
| Mode | 
            Input mode.
              |