A pointer controlling apparatus, a control method, and a pointer controlling program are provided which can protect a button from erroneous operation without interrupting the operational flow or using excessive display area. The pointer controlling apparatus permits a pointer to move into a predetermined region after a predetermined period of time has elapsed from a point in time when the pointer comes into contact with a boundary line of the predetermined region. Accordingly, the predetermined area can be securely protected from a point in time at which the pointer comes into contact with the boundary line of the predetermined region for the predetermined amount of time. Furthermore, since the pointer is permitted to enter the predetermined region immediately after the predetermined time has elapsed, the predetermined region can be protected without interrupting the operational flow, and without using an excess of a display region.