com.smartgwt.client.widgets.drawing.events

## Interface HasDragStartHandlers

- All Superinterfaces:
    com.google.gwt.event.shared.HasHandlers
  All Known Implementing Classes:
    DrawBlockConnector, DrawCurve, DrawDiamond, DrawGroup, DrawImage, DrawItem, DrawLabel, DrawLine, DrawLinePath, DrawOval, DrawPath, DrawPolygon, DrawRect, DrawSector, DrawShape, DrawTriangle

      public interface HasDragStartHandlers
      extends com.google.gwt.event.shared.HasHandlers

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `com.google.gwt.event.shared.HandlerRegistration` | `addDragStartHandler(DragStartHandler handler)` If `canDrag` is true, this notification method will be fired when the user starts to drag the draw item.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addDragStartHandler

          com.google.gwt.event.shared.HandlerRegistration addDragStartHandler(DragStartHandler handler)

      If `canDrag` is true, this notification method will be fired when the user starts to drag the draw item.
      Parameters:
        `handler` - the dragStart handler
      Returns:
        `HandlerRegistration` used to remove this handler