Additive vs. Alpha Blend
Sample files showing additive versus alpha blend modes used by WoW and in AddOn Studio 2010. For the full article please visit Codeplex Getting around Blend Mode limitations of Forms/WPF compositing.
Sampling of rendereing differences for fonts inside AddOn Studio 2010, comparing VS 2008 GDI rendereings and 2010 WPF renderings. Can click on each picture to see the full detail for differences. Older GDI renderings are on the left or top. WPF compositing renderings are on the right or bottom.