I was getting a strange Silverlight compile error in my Page.xaml the other day (while migrating stuff from 1.1 Alpha to 2.0 Beta):
Length cannot be less than zero.
Parameter name: length
At first it sounds like I was setting a wrong value - like trying to reference the "-1" position on a string. But, it actually was a constraint in what namespaces Xaml allows.
In 1.1 Alpha, this would be ok:
Which you could then reference like so:
However, that line kept throwing the error when I tried to compile.
It seems like if I remove the period ".", then it works again, like so:
Strange. I'm not fully sure why, maybe some parsing thing with periods "." in beta, but it was good to have a work-around.