Shows how to download a file using the BackgroundWorker Pattern in C# with the .net 2.0 framework. Next will be a wrapper that harnesses this object to create a multi-segmented file downloading manager utility!

This class allows the developer to change the current impersonated user. This is not my code originally, so I cannot take credit for it. I thought it may be useful to someone so I am posting it here.

That is, after two starting values, each number is the sum of the two preceding numbers. The first Fibonacci numbers , also denoted as Fn, for n = 0, 1, … , are:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811…
this is One line function to get the sequance.