API Version: 3.0
Library Version: 3.24
property yscale: float [ read, write ]
If available vertical space is bigger than needed, how much of it to use for the child. A value of 0.0 means none; a value of 1.0 means all.
gfloat
Use gtk_widget_set_vexpand() on the child instead.
gtk_widget_set_vexpand()