GridDragStartListener (vaadin-server 8.28-SNAPSHOT API)

Type Parameters:

T - The Grid bean type.

All Superinterfaces:

ConnectorEventListener, EventListener, Serializable, SerializableEventListener

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface GridDragStartListener<T>
extends ConnectorEventListener
```
Drag start listener for HTML5 drag start on a Grid row.

Since:

8.1

Author:

Vaadin Ltd.

See Also:

GridDragSource.addGridDragStartListener(GridDragStartListener)

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static Method DRAG_START_METHOD
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void dragStart(GridDragStartEvent<T> event)
  Invoked when the user has started dragging grid's rows.

- Field Detail
  - DRAG_START_METHOD
```
static final Method DRAG_START_METHOD
```
- Method Detail
  - dragStart
```
void dragStart(GridDragStartEvent<T> event)
```
    Invoked when the user has started dragging grid's rows.
    
    Parameters:
    
    event - The drag start event.