The ornamental design for a portion of a displayscreen with an animatedcomputer generated icon, as shown and described.
FIG. 1 is a front view of a first embodiment of a first image of a portion of a display screen with an animated computer generated icon showing our new design;
FIG. 2 is a front view of a second image thereof;
FIG. 3 is a front view of a third image thereof;
FIG. 4 is a front view of a fourth image thereof;
FIG. 5 is a front view of a second embodiment of a first image of a portion of a display screen with an animated computer generated icon showing our new design;
FIG. 6 is a front view of a second image thereof;
FIG. 7 is a front view of a third image thereof; and,
FIG. 8 is a front view of a fourth image thereof.
The appearance of the transitional image sequentially trasitions between the images shown in FIGS. 1-4; and 5-8, respectively. The process or period in which one image transitions to another image forms no part of the claimed design. The broken lines of equal length showing portions of the icon and the broken lines of unequal length showing a portion of a display screen are for the purpose of illustrating environment and form no part of the claimed design.