Function
GtkListBoxFilterFunc
Description [src]
Will be called whenever the row changes or is added and lets you control if the row should be visible or not.
Parameters
- row
- 
            Type: GtkListBoxRowThe row that may be filtered. 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.