offset in array

[C# Programming]

Hi,


I would like to know how can I refer to array such as byte array with offset

such as I would like to use the array from spesific ******** till the array end

in c++ i would do somthing like that
char *samplesBuffer
int offset = 20;

funcName(samplesBuffer+offset)

how can I do int in c#

thanks
ronen