Function
Gtk.ListBoxUpdateHeaderFunc
Declaration
void
ListBoxUpdateHeaderFunc (
  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 | GtkListBoxRow | 
| the row to update | |
| Ownership is not transferred to the callee | |
| before | GtkListBoxRow | 
| the row before  | |
| Can be NULL | |
| Ownership is not transferred to the callee | |
| user_data | gpointer | 
| user data |