Changing the Attributes of the Control

This section lists all of the methods you can use to change the simple tree.

• Inserting and Changing Nodes

  Method	Description
  add_nodes	Inserts a list of nodes
  node_set_text	Changes the text of a node
  update_nodes	Change the attributes of a list of nodes

• Expanding Nodes

  Method	Description
  expand_node	Expands a particular node
  expand_nodes	Expands a set of nodes
  expand_root_nodes	Expands all root nodes

• Selecting Nodes

  Method	Description
  set_selected_node	Selects a particular node
  select_nodes	Selects a list of nodes
  unselect_all	Deselects all selected nodes
  unselect_nodes	Deselects a set of nodes

• Deleting Nodes

  Method	Description
  delete_all_nodes	Deletes all nodes from the tree
  delete_node	Deletes a particular node from the tree
  delete_nodes	Deletes a set of nodes from the tree

• Changing the Attributes of a Node

  Method	Description
  node_set_disabled	Deactivates nodes
  node_set_expander	Sets the expander attribute.
  node_set_exp_image	Sets expanded node icon
  node_set_hidden	Hides a node
  node_set_is_folder	Sets the is_folder attribute
  node_set_no_branch	Suppresses the hierarchy line to the node
  node_set_n_image	Sets the non-expanded node icon
  node_set_style	Sets the style of the node
  node_set_dragdropid	Sets the drag and drop behavior of a node

• Configuring Keyboard Events

  Method	Description
  add_key_stroke	Sets a key to trigger an event
  remove_all_key_strokes	Deregisters all keys that were registered to trigger an event

• Other Methods

  Method	Description
  ensure_visible	Ensures that a particular node is visible
  move_node	Moves a node
  scroll	Scrolls in the tree
  set_ctx_menu_select_event_appl	Sets whether the event triggered when the user chooses an entry from a context menu should be an application event or a system event
  set_has_3d_frame	Sets the 3D frame
  set_screen_update	Controls the visibility of changes
  set_top_node	Defines the topmost visible node
  set_default_drop	Sets the drag and drop behavior for dropping on the background of the SAP Tree
  set_folder_show_exp_image	Sets the open folder symbol