Checks if contents of @value comply with the specifications set out by this type, without modifying the value. This vfunc is optional. If it isn't set, GObject will use @value_validate. Since 2.74
Checks if contents of @value comply with the specifications set out by this type, without modifying the value. This vfunc is optional. If it isn't set, GObject will use @value_validate. Since 2.74