[ CCode ( instance_pos = 2.9 ) ]
[ Version ( since = "3.12" ) ]
public delegate int FlowBoxSortFunc (FlowBoxChild child1, FlowBoxChild child2)
A function to compare two children to determine which should come first.
child1 |
the first child |
child2 |
the second child |
user_data |
user data |
< 0 if |