com.smartgwt.client.widgets.tree.events

## Interface HasFolderClosedHandlers

- All Superinterfaces:
    HasHandlers
  All Known Implementing Classes:
    EditTree, TreeGrid, TreePalette

      public interface HasFolderClosedHandlers
      extends HasHandlers

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `HandlerRegistration` | `addFolderClosedHandler(FolderClosedHandler handler)` This method is called when a folder is closed either via the user manipulating the expand/collapse control in the UI or via `TreeGrid.closeFolder()`.

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

      `fireEvent`

- - ### Method Detail

    - #### addFolderClosedHandler

          HandlerRegistration addFolderClosedHandler(FolderClosedHandler handler)

      This method is called when a folder is closed either via the user manipulating the expand/collapse control in the UI or via `TreeGrid.closeFolder()`. You can return `false` to cancel the close.
      Parameters:
        `handler` - the folderClosed handler
      Returns:
        `HandlerRegistration` used to remove this handler