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Event for finger being moved off button but not lifted in objective C (iphone)

Is there an event which will get whether the user has moved his finger outside of the button? Kind of like TouchUpOutside except without the "up" bit.

Like how the iphone ke开发者_运维百科yboard, the letter gets smaller (back to normal) as you move your finger of the letter.


Use UIControlEventTouchDragExit. You can attach a target and action to the control for that particular control event.

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