Function
GtkListBoxSortFunc
Parameters
| row1 | GtkListBoxRow | 
| The first row. | |
| The data is owned by the caller of the function. | |
| row2 | GtkListBoxRow | 
| The second row. | |
| The data is owned by the caller of the function. | |
| user_data | gpointer | 
| User data. |