Function
GtkFlowBoxFilterFunc
Description [src]
A function that will be called whenever a child changes or is added.
It lets you control if the child should be visible or not.
Parameters
| child | GtkFlowBoxChild | 
| A  | |
| The data is owned by the caller of the function. | |
| user_data | gpointer | 
| User data. | |
| The argument can be NULL. | |
| The data is owned by the caller of the function. |