The present invention relates to an umbrella and includes a cover, a shaft of multi-sectional tubes, a notch, a runner, main ribs, and stretchers. The runner has a positioning hole and an extended slice placed over an opening groove. The control unit 10 controls to cause a first tactile sensation to be provided when the portion of the input area is displaced as the cursor is moved, and a second tactile sensation to be provided when the edge of the input area is displayed as the portion of the input area is displaced, thereby notifying the operator of the results of the operation.