What does the operator “<<” mean in C#?

Question

I was doing some basic audio programming in C# using the NAudio package and I came across the following expression and I have no idea what it means, as i\'ve never seen the

Answer 1

As a few people have pointed out already it is a shift operation.

However It is worth noting that depending on whether the operand is a signed integral type or a unsigned integral type it will apply either an arithmetic or logical shift.

See the bottom of this page on msdn.