procedure Destroy (Data : in out User_Data_Type)
type Gtk_Tree_Destroy_Count_Func is access procedure
(Tree_View : not null access Gtk.Tree_View.Gtk_Tree_View_Record'Class;
Path : Gtk.Tree_Model.Gtk_Tree_Path;
Children : Glib.Gint;
User_Data : User_Data_Type);
procedure Set_Destroy_Count_Func
(Tree_View : not null access Gtk.Tree_View.Gtk_Tree_View_Record'Class;
Func : Gtk_Tree_Destroy_Count_Func;
Data : User_Data_Type)
This function should almost never be used. It is meant for private use by ATK for determining the number of visible children that are removed when the user collapses a row, or a row is deleted. Deprecated since 3.4, 1
Function to be called when a view row is destroyed, or null
User data to be passed to Func, or null
type User_Data_Type (<>) is private;