middle property
      
      bool
      get
      middle
      
    
    
Gets or sets whether the logical middle mouse button is being held down. This is true if the button was pressed at the time of the event.
Implementation
_i2.bool get middle => _i4.getProperty(
      this,
      'middle',
    );
      
      set
      middle
      (bool value) 
      
    
    
    
Implementation
set middle(_i2.bool value) {
  _i4.setProperty(
    this,
    'middle',
    value,
  );
}