OnPinchDelta Method

 function Leadtools.Controls.InteractiveService.onPinchDelta( 
   e 
)

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Parameters

Parameter	Type	Description
e	InteractivePinchDeltaEventArgs	Event data

Raising an event invokes the event handler through a function. The OnPinchDelta method also allows derived classes to handle the event without attaching a function to the event. This is the preferred technique for handling the event in a derived class.
Note to Inheritors: When overriding OnPinchDelta in a derived class, be sure to call the base class's OnPinchDelta method so that registered delegates receive the event.

Reference

InteractiveService Object
InteractiveService Members