The ornamental design for a truckbedhangerdevice, as shown and described.
FIG. 1 is a perspective, partial cut-away view of a truck bed hanger device showing my new design, showing how it appears when attached to the bed of a pickup truck;
FIG. 2 is a perspective view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a left-side view thereof;
FIG. 6 is a front view thereof; and
FIG. 7 is a right-side view thereof; and,
FIG. 8 is a bottom view thereof.
In the drawings, the broken lines in FIG. 1 depict a pickup truck and forms no part of the claimed design.