The ornamental design for a controlframe, as shown and described.
FIG. 1 is a front perspective view of a control frame showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a rear perspective view thereof.
The dot-dashed broken lines depict boundaries of the claim that form no part of the claimed design. The remainder of the broken lines depict portions of the connector that form no part of the claimed design.