I was just experimenting with extensibility using MEF (MEF is a .NET resident for .NET4 and SL4), when I created a small proof of this functionality that I could share via my blog. It is a semi-patterned (only for the main shell, my shell, not a PRISM one with viewregions and stuff, just an MVVM main area implemented with MVVMLight), but it does ...

I was just experimenting with extensibility using MEF (MEF is a .NET resident for .NET4 and SL4), when I created a small proof of this functionality that I could share via my blog. It is a semi-patterned (only for the main shell, my shell, not a PRISM one with viewregions and stuff, just an MVVM main area implemented with MVVMLight), but it does ...