apply_attributes
Description:
[ HasEmitter ]
public virtual signal void apply_attributes (TreeModel tree_model, TreeIter iter, bool is_expander, bool is_expanded)
  public virtual signal void apply_attributes (TreeModel tree_model, TreeIter iter, bool is_expander, bool is_expanded)
This signal is emitted whenever applying attributes to area from model
Parameters:
| iter | 
           the `GtkTreeIter` indicating which row to apply the attributes of  | 
      
| is_expander | 
           whether the view shows children for this row  | 
      
| is_expanded | 
           whether the view is currently showing the children of this row  | 
      
| model | 
           the `GtkTreeModel` to apply the attributes from  |