The ornamental design for a hangingchair, as shown and described.
FIG. 1 is a front, top perspective view of a hanging chair, showing our new design;
FIG. 2 is a rear, bottom perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a perspective view thereof, shown within an alternative environment of use.
The broken lines in the figures illustrate environment that form no part of the claimed design. The broken lines showing of a pillow in FIG. 9 represent environmental structure and form no part of claimed design.