OnMouseWheel Event Question

Question

I'm loading a dynamic xml file (GEORSS) when a user changes the zoom using the onmousewheel event.

It works great, however it's loading the XML for the map at the beginning zoom level.

When I zoom out, it grabs all the listings that were in the previous zoom level and displays them.

My question is this:  Is there a way to determine when the map has finished zooming, and THEN grab the topleft and bottomright and query the dynamic xml?

The SQL query is something like "select * from places where lat > minlat and lat < maxlat and lon > minlon and lon < maxlon"

The minlat, maxlat, minlon, and maxlon variables being passed to this query are the starting zoom's topleft and bottomright properties.

Since tiles will zoom and load at various speeds, I need a way to determine when it's finished zooming so I can THEN grab the appropriate topleft and bottomright values.

Hope that makes sense.  Hopefully someone can point me in the right direction.

Thanks for the help!

Answer 1

If your using the AJAX control of Bing Maps you can use the onendzoom event to determine when the map has finished zooming. http://msdn.microsoft.com/en-us/library/bb412469.aspx

If your using the silverlight control there is an event called "ViewChangeEnd"

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Windows Live Developer MVP - http://rbrundritt.spaces.live.com

Answer 2

Thanks again Richard.  Using the onendzoom event in place of the onmousewheel event fixed the issue.