Filestream - Add a File to an other File

[cdkiller]

hy,

i have the following problems. i have a txt and a dll file.

now i want that the dll file will add at the end of the txt file.
i mean that i want to insert a dll file in a txt file at the end.

i have tried it with a filestream. but it doesnt do it what it should.

can someone post a function ?

thanks...