VB.net Passing value of Array 1, to Array 2 -

so have code, , need pass value of array1 array2, value of array2 should array1 + (key mod 255) key put user

    private sub mod_btn_enc_click(sender object, e eventargs) handles mod_btn_enc.click     dim counter integer = 0     if mod_tb_key.text = ""         messagebox.show("pls input modulo key value", "error", messageboxbuttons.ok, messageboxicon.error)     else         modkey = mod_tb_key.text     end if      modmodulo = modkey mod 255 'formula     mod_tb_mod.text = modmodulo 'i used show working 'modbyte = array 1 'modconverted = array2     each integer in modbyte         counter += 1         modconverted(counter - 1) = modbyte(i - 1) + (modmodulo) 'formula used     next     mod_tb_enc.text = string.join(" ", modconverted) 'show array in textbox 

here interface

i've managed way.

for = 0 modbyte.getupperbound(0)         counter += 1         redim preserve modconverted(counter - 1)         modconverted(counter - 1) = modbyte(i) + (modmodulo)     next 

thanks explaining @phoog