I want to call a com object (named DES_ATLLib) in vb.net  as follows:

 Dim d As New DES_ATLLib.descomClass()

        Dim acct As String = "123456789012"
        Dim pin As String = "1234"
        Dim b As Byte = 4
        Dim pad As string = "FF"
        Dim result As String

all the params of  DesCalc are byref bytes:
when i hover the mouse over d.DesCalc i get this:
public overridable overloads sub DesCalc(byref acct as byte, byref pin
as byte,byref b as byte,byref pad as byte,byref result as byte)

all these params are pointers to the actual values

how must i call this com object?
in other words, how must i pass the parameters?

thx

Either write a MC++ wrapper around the COM object, or edit the interop
assembly and change the parameter type to something more appropriate,
as described here

http://www.msdn.microsoft.com/library/en-us/cpguide/html/cpconcustomi...

Mattias

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