[ CCode ( instance_pos = 1.9 ) ]
public delegate bool FlowBoxFilterFunc (FlowBoxChild child)
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.
| child |
a `GtkFlowBoxChild` that may be filtered |
| user_data |
user data |
|
true if the row should be visible, false otherwise |