Description
Raised when the touch interface is in the process of zooming.
Syntax
| Visual Basic |
|---|
Public Event TouchZoomGestureOccurring( _ ByVal zoomCenterX As Long, _ ByVal zoomCenterY As Long, _ ByVal zoomCoefficientSinceLastEventFiring As Double _ ) |
Parameters
- zoomCenterX
- A Long value that represents the X coordinate of the center of the fingers during zooming with the touch interface.
- zoomCenterY
- A Long value that represents the Y coordinate of the center of the fingers during zooming with the touch interface.
- zoomCoefficientSinceLastEventFiring
- A Double value that represents the zoom coefficient since the last TouchZoomGestureOccurring event firing during zooming with the touch interface.
Remarks
The total zoom coefficient is usually multiplied with the starting zoom factor to get the new zoom factor.