The ornamental design for a digitalphotoframe, as shown and described.
FIG. 1 is a front elevational view of a digital photo frame showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken line showing portions of a digital photo frame is included for the purpose of illustrating environmental structure and forms no part of the claimed design.