enablePinching property
      
      bool
      get
      enablePinching
      
    
    
Option to enable pinch zooming support.
Defaults to true.
For the web platform, track pad and mouse wheel zooming will be enabled based on this property.
Implementation
bool get enablePinching => _enablePinching;
      
      set
      enablePinching
      (bool value) 
      
    
    
    
Implementation
set enablePinching(bool value) {
  if (_enablePinching == value) {
    return;
  }
  _enablePinching = value;
}