Function
GtkListBoxUpdateHeaderFunc
Declaration
void
(* GtkListBoxUpdateHeaderFunc) (
  GtkListBoxRow* row,
  GtkListBoxRow* before,
  gpointer user_data
)
Description [src]
Whenever row changes or which row is before row changes this
is called, which lets you update the header on row.
You may remove or set a new one via gtk_list_box_row_set_header()
or just change the state of the current header widget.
Parameters
- row
- 
            Type: GtkListBoxRowThe row to update. The data is owned by the caller of the function. 
- before
- 
            Type: GtkListBoxRowThe row before row, orNULLif it is first.The argument can be NULL.The data is owned by the caller of the function. 
- user_data
- 
            Type: gpointerUser data. The argument can be NULL.The data is owned by the caller of the function.