To add to this feature request is there a chance you would add some way for us to pass data into a COM instance as a VT_ARRAY containing VT_UI1 items? Again, this is how many MS-provided objects represent raw byte data(such as the contents of a non-text file).
Something along the lines of:
;; Where <TYPE> is the contained items' type
$com(name, member, method, array [&]type[* varname], &bvar|inputString)
ex:
$com(name, member, method, array &ui1, &bvar)
Personally I'd only consider fixed-length array-item types for this and have checks to make sure the amount of bytes in the input is divisible by the fixed-length of the item-type prior to making the COM call.
