Method GTK2.TreeView()->set_row_separator_func()
- Method
set_row_separator_func
 GTK2.TreeViewset_row_separator_func(function(:void)f,mixeduser_data)- Description
 Sets the row separator function, which is used to determine whether a row should be drawn as a separator. If the row separator function is 0 no separators are drawn. This is the default value.