Requests that manager creates a new #GdaTreeNode. The new node is not in any
way linked to manager yet, consider this method as a #GdaTreeNode factory.
This method is usually used when implementing a #GdaTreeManagerNodesFunc function (to create nodes),
or when subclassing the #GdaTreeManager.
Requests that manager creates a new #GdaTreeNode. The new node is not in any way linked to manager yet, consider this method as a #GdaTreeNode factory.
This method is usually used when implementing a #GdaTreeManagerNodesFunc function (to create nodes), or when subclassing the #GdaTreeManager.