<properties>
    <property name="Snap to main directions"  variable="snap" min="0" max="50" defaultValue="true" type="Boolean"   />
    <property name="Dash length (0 for solid line)"  variable="dashlength" min="0" max="50" defaultValue="0" type="Number"   />
    <property name="Dash spacing"  variable="dashspacing" min="0" max="50" defaultValue="1" type="Number"   />
</properties>