A window comprising: a frame and a sash, each having a top member (62, 72), a bottom member (61, 71) and two side members (63, 64, 73, 74), said sash being pivotally connected to the frame substantially at a centre axis, and a screening arrangement including a screening device with a top element mounted at the top member of the frame, and a screening body, said screening body being adapted to be brought from a non-screening to a screening position from the top element, and at least one set of engagement means to provide operation of the screening arrangement, said set of engagement means including a first engagement means connected to the screening arrangement and a second engagement means provided at the bottom member of the sash, operation of the screening body between the non-screening and the screening position being carried out by pivoting the sash to a position in which the bottom member of the sash is located at or near the top member of the frame to enable engagement of the second engagement means with the first engagement means, characterized in that the screening arrangement includes two side rails (3, 4), and that the engagement of the second engagement means with the first engagement means is adapted to be carried out automatically in that the engagement occurs as a result of the movement of the sash relative to the frame and coupling of the first and second engagement means is established at the final stage of pivoting the sash in which the sash bottom member is brought to a position at or near with the frame top member without a user operating the set of engagement means, wherein disengagement of the second engagement means from the first engagement means is adapted to be carried out automatically in that the disengagement occurs as a result of the movement of the sash relative to the frame and decoupling of the first and second engagement means is established at the final stage of pivoting the sash in which the sash bottom member is brought to a position at or near with the frame top member without a user operating the set of engagement means, and wherein the first engagement means comprises at least one hook and a locking and release mechanism, and the second engagement means comprises at least one block including a hook portion and an inclined portion. a frame and a sash, each having a top member (62, 72), a bottom member (61, 71) and two side members (63, 64, 73, 74), said sash being pivotally connected to the frame substantially at a centre axis, and a screening arrangement including a screening device with a top element mounted at the top member of the frame, and a screening body, said screening body being adapted to be brought from a non-screening to a screening position from the top element, and at least one set of engagement means to provide operation of the screening arrangement, said set of engagement means including a first engagement means connected to the screening arrangement and a second engagement means provided at the bottom member of the sash, operation of the screening body between the non-screening and the screening position being carried out by pivoting the sash to a position in which the bottom member of the sash is located at or near the top member of the frame to enable engagement of the second engagement means with the first engagement means, characterized in that the screening arrangement includes two side rails (3, 4), and that the engagement of the second engagement means with the first engagement means is adapted to be carried out automatically in that the engagement occurs as a result of the movement of the sash relative to the frame and coupling of the first and second engagement means is established at the final stage of pivoting the sash in which the sash bottom member is brought to a position at or near with the frame top member without a user operating the set of engagement means, wherein disengagement of the second engagement means from the first engagement means is adapted to be carried out automatically in that the disengagement occurs as a result of the movement of the sash relative to the frame and decoupling of the first and second engagement means is established at the final stage of pivoting the sash in which the sash bottom member is brought to a position at or near with the frame top member without a user operating the set of engagement means, and wherein the first engagement means comprises at least one hook and a locking and release mechanism, and the second engagement means comprises at least one block including a hook portion and an inclined portion.