display integer value in Hex

at this junction, struggling with showing an integer value in Hex to be displayed in a label caption. for example if the value of an integer variable has 10 in decimal, would need to show it as 0A in the label. how ? what's your advise. ciao ___

memo lines and byte

allo, i'm using a memo to display the textual contents of a text file. in it contains only arrays of bytes. I would need to read out those bytes in the array one by one and reformat the byte value for some other usage. Thus need advise as to how that could be done. The sample of the array