How to write data at a particular position in c#?

Question

I am making an application in c#. In that application I have one byte array and I want to write that byte array data to particular position.

Here i used the followin

Answer 1

Maybe a bit hacky, but you can access the BaseStream property of the StreamWriter and use Seek(long offset, SeekOrigin origin) on it. (But be warned, as not every stream can use Seek.)