Given that this works:
MyObject.MyMethod ("foo","bar")
this would work:
str1 = "foo"
str2 = "bar"
MyObject.MyMethod (str1,str2)
but this will not:
str1= Chr(34) & "foo" & Chr(34) & "," & Chr(34) & "bar" & Chr(34)
MyObject.MyMethod (str1)
even though str1 = "foo","bar" it is still one...