Restrict the min/max zoom on a Bing Map with v7 of the AJAX control?

Question

I\'m working on a site that makes use of v7 of the Bing Maps AJAX Control. One of the things I need to do is restrict the zoom level so as to prevent users from zoom in past

Answer 1

According to Bing Maps support, the only way to do this (which isn't particularly elegant, and results in some unwelcome jitter on the map) is as follows:

// "map" is our Bing Maps object, overload the built-in getZoomRange function
// to set our own min/max zoom
map.getZoomRange = function ()
{
  return {
    max:      14,
    min:      5
  };
};

// Attach a handler to the event that gets fired whenever the map's view is about to change
Microsoft.Maps.Events.addHandler(map,'viewchangestart',restrictZoom);

// Forcibly set the zoom to our min/max whenever the view starts to change beyond them 
var restrictZoom = function ()
{
  if (map.getZoom() <= map.getZoomRange().min) 
  {
    map.setView({
      'zoom':       map.getZoomRange().min,
      'animate':    false
    });
  }
  else if (map.getZoom() >= map.getZoomRange().max) 
  {
    map.setView({
      'zoom':       map.getZoomRange().max,
      'animate':    false
    });
  }
};