Sets the step increment of the adjustment.
See [method@Gtk.Adjustment.set_lower] about how to compress multiple emissions of the [signal@Gtk.Adjustment::changed] signal when setting multiple adjustment properties.
the new step increment
See Implementation
Sets the step increment of the adjustment.
See [method@Gtk.Adjustment.set_lower] about how to compress multiple emissions of the [signal@Gtk.Adjustment::changed] signal when setting multiple adjustment properties.