See the image. I would like the middle line to be a crispy 1 pixel line. You can copy and paste the sample markup into kaxaml .
alt text http://img832.imageshack.us
I found the solution at: http://msdn.microsoft.com/en-us/library/system.windows.media.renderoptions.setedgemode.aspx
RenderOptions.SetEdgeMode(this, EdgeMode.Aliased);