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  • Re: Error on binding data + converter on a datagrid cellstyle background value ... AG_E_RUNTIME_MANAGED_UNKNOWN_ERROR. Need help please

    I'm having the same issue with some of my code, and I'm about as exasperated as you are. The only difference is that I'm trying to set the binding to the Child property of a Border element. If anyone has any ideas, I'd sure like to hear about it.<UserControl.Resources> <observers:RecordToUIElementConverter ...
  • Re: Re: 8-bit PNG Transparency

    The images were initally generated as "normal" 24-bit PNGs. You can see the old ones if you go to parcelstream.com. We are using OptiPNG (http://optipng.sourceforge.net/) to compress the images, giving us the nice new ones on irv.parcelstream.com.
  • Re: 8-bit PNG Transparency

    Sure, this is the one I was using in the sample above, but you can play around with the tileid to see others if you'd like: http://irv.parcelstream.com/GetMap.aspx?tileid=02301320201123133  Pretty much anything lvl 16-18 should work. Lvl 19, as I've found out, seems to have a lot of 4-bit ones.
  • Re: 8-bit PNG Transparency

    Hmm, good call on checking with IrfanView. We perform some compression on the server when we create these images, and it seems that while most of them are 8-bit (and do indeed work), our compression program goes a little bit overboard with particularly small images, compressing them all the way down to 4-bit. I guess that solves the mystery then. ...
  • Re: 8-bit PNG Transparency

    I am aware of the documentation. From what it says it would seem to indicate that it supports 8-bit PNG, but it doesn't mention whether or not it supports indexed transparency (as I said, the consensus on that seems to be no). This still does not explain, however, why, given two images generated in the same manner on our server, one would work ...
  • 8-bit PNG Transparency

    I first ran into this issue while testing the new Silverlight CTP Virtual Earth Map Control. I make requests to a tile server that returns parcel lines as transparent 8-bit PNGs. Most of the time, this is fine. However, I noticed that when I zoomed in, I would sometimes get opaque grey tiles if the tile image contained little to no data. ...
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