parameters: (self, event)
docstring: Handles the ``wx.EVT_LEFT_DOWN`` and ``wx.EVT_LEFT_DCLICK`` events for :class:`ZoomBar`.
  
          :param `event`: a :class:`MouseEvent` event to be processed.
docstring_summary: Handles the ``wx.EVT_LEFT_DOWN`` and ``wx.EVT_LEFT_DCLICK`` events for :class:`ZoomBar`.
docstring_tokens: Handles the wx . EVT_LEFT_DOWN and wx . EVT_LEFT_DCLICK events for : class : ZoomBar .
function: def OnLeftDown(self, event):
          """
          Handles the ``wx.EVT_LEFT_DOWN`` and ``wx.EVT_LEFT_DCLICK`` events for :class:`ZoomBar`.
  
          :param `event`: a :class:`MouseEvent` event to be processed.
          """
  
          self._currentHit = self.HitTest(event.GetPosition())
function_tokens: def OnLeftDown ( self , event ) : self . _currentHit = self . HitTest ( event . GetPosition ( ) )