I use
VB.net
Dim DemoOrReal as String
If myType = "R" Then
DemoOrReal = "Real"
Else
DemoOrReal = "Demo"
End If
Try
tradeDesk = core.CreateTradeDesk("trader")
tradeDesk.Login(myLogin, myPassword, "http://www.fxcorporate.com", DemoOrReal)
.
.
.
Hope this helps
DrMark