slidably fitted in the guide rail, the slider being connected to the sliding lid to support the sliding lid, the slider comprising: a sliding body slidably fitted in the guide rail; a link pivotably attached to the sliding lid at a first end thereof and pivotably attached to the sliding body at a second end thereof, the link moving between an erected position where the sliding lid is supported at the fully closed position and a flattened-out position where the sliding lid is lowered; a sliding member provided on the link so as to be brought into engagement with the control groove of the guide rail so as to hold the link at the erected position and to move via the switching path onto the upper piece solid closes the opening and a fully opened position where the sliding lid is lowered and slid rearward and stored below the roof; and a drain slidably provided on the guide rail so as to extend therebetween, wherein the first side wall facing the opening is made higher than the second side wall facing the outside of the vehicle, and the drain is slidably attached to an upper end of the first side wall facing the opening.
Further, there is provided a vehicle sunroof device comprising: a guide rail disposed along an edge portion of an opening formed in a roof of a vehicle, having a substantially U-shaped cross sectional configuration and having a side wall on a first side facing the opening and a second side wall facing