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ScaleUpdateEvent

ScaleUpdateEvent class has the following properties:

focal_point_x​

The x component of the focal point of the pointers in contact with the screen.

focal_point_y​

The y component of the focal point of the pointers in contact with the screen.

focal_point_delta_x​

The x component of the amount the gesture's focal point has moved in the coordinate space of the event receiver since the previous update.

focal_point_delta_y​

The y component of the amount the gesture's focal point has moved in the coordinate space of the event receiver since the previous update.

local_focal_point_x​

The x component of the focal point of the pointers in contact with the screen.

local_focal_point_y​

The y component of the focal point of the pointers in contact with the screen.

pointer_count​

The number of pointers being tracked by the gesture recognizer.

horizontal_scale​

The scale implied by the average distance along the horizontal axis between the pointers in contact with the screen.

vertical_scale​

The scale implied by the average distance along the vertical axis between the pointers in contact with the screen.

scale​

The scale implied by the average distance between the pointers in contact with the screen.