Methods
This function will be called by the virtual tree when the editing starts.
This function will be called by the virtual tree when the current editing is about to be cancelled.
This function will be called by the virtual tree when the current editing is being finished.
The virtual tree can use this function to get the current bounding rect of the node editor.
This function is called by a virtual tree to initialize the node editor.
This function is used to forward messages being directed to the virtual tree.
The virtual tree calls this function to initialize the bounding rectangle of the node editor.