public static void ToggleHaulDesignation(this Thing t)
{
DesignationManager dm = t.MapHeld.designationManager;
Designation des = dm.DesignationOn(t, DesignationDefOf.Haul);
if (des != null)
{
dm.RemoveDesignation(des);
}
else
{
dm.AddDesignation(new Designation(t, DesignationDefOf.Haul));
}
}