(VB.NET UWP/WinRT) ConnectFailReason

The ConnectFailReason property can be examined to determine the reason why the Connect method failed. The possible values are listed in the source code below:

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim ftp As New Chilkat.Ftp2

ftp.Hostname = "ftp.example.com"
ftp.Username = "login"
ftp.Password = "password"

' Connect and login to the FTP server.
Dim success As Boolean = Await ftp.ConnectAsync()
If (success <> True) Then

    ' The possible failure reasons are:
    ' 0 = success
    ' Non-SSL socket fail reasons:
    '  1 = empty hostname
    '  2 = DNS lookup failed
    '  3 = DNS timeout
    '  4 = Aborted by application.
    '  5 = Internal failure.
    '  6 = Connect Timed Out
    '  7 = Connect Rejected (or failed for some other reason)
    ' SSL failure reasons:
    '  100 = Internal schannel error
    '  101 = Failed to create credentials
    '  102 = Failed to send initial message to proxy.
    '  103 = Handshake failed.
    '  104 = Failed to obtain remote certificate.
    ' 300 = asynch op in progress
    ' 301 = login failure.
    ' 
    Dim failReason As Integer = ftp.ConnectFailReason

    Debug.WriteLine("connect fail reason = " & failReason)

    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


' ..