as shown at http://msdn.microsoft.com/en-us/library/sf0df423.aspx and http://msdn.microsoft.com/en-us/library/c3ay4x3d%28VS.80%29.aspx, you can do
using gen = System.Collections.Generic;
using GenList = System.Collections.Generic.List;
and then use
gen::List x = new gen::List;
or
GenList x = new GenList();
however you have to replicate those using definitions at every file where you use them, so if you make some changes to them in the future and forget to update at every file, things will break badly.
I hope C# in the future Will treat aliases like the do with extension methods and let you define many of them in a file that you use elsewhere, then maintain them at one place and hide the internal unnecessary type mapping details from the type consumers.
