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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) Using Client Certificate w/ IMAP SSL

Demonstrates how to use a client-side certificate with an IMAP SSL connection. The SetSslClientCert method is called to specify a certificate to be used for the SSL connection.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Dim imap As New Chilkat.Imap

' To use a secure SSL connection, set SSL and the port:
imap.Ssl = True
' The typical port for IMAP SSL is 993
imap.Port = 993

' Load a certificate from a PFX file and use it.
' Note: Other methods are available to load pre-installed
' certificates from registry-based certificate stores.


' Create an instance of a certificate store object, load a PFX file,
' locate the certificate we need, and use it for signing.
' (a PFX file may contain more than one certificate.)
Dim certStore As New Chilkat.CertStore
' The 1st argument is the filename, the 2nd arg is the 
' PFX file's password:
Dim success As Boolean = certStore.LoadPfxFile("myCertWithPrivateKey.pfx","secret")
If (success <> True) Then
    Debug.WriteLine(certStore.LastErrorText)
    Exit Sub
End If


' Find the certificate by the subject common name:
Dim cert As Chilkat.Cert
cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.")
If (certStore.LastMethodSuccess = False) Then
    Debug.WriteLine(certStore.LastErrorText)
    Exit Sub
End If


' If a PFX file is known to contain a single certificate,
' you may load it directly into a Chilkat certificate object.
' This snippet of source code shows how:
Dim cert2 As New Chilkat.Cert
' The 1st argument is the filename, the 2nd arg is the 
' PFX file's password:
success = cert2.LoadPfxFile("myClientCert.pfx","secret")
If (success <> True) Then
    Debug.WriteLine(cert.LastErrorText)
    Exit Sub
End If


' Use the cert:
success = imap.SetSslClientCert(cert)

' Connect to an IMAP server.
success = Await imap.ConnectAsync("imap.someMailServer.com")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Login
success = Await imap.LoginAsync("myLogin","myPassword")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Select an IMAP mailbox
success = Await imap.SelectMailboxAsync("Inbox")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If



Dim messageSet As Chilkat.MessageSet
' We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Boolean = True
' Get the message IDs of all the emails in the mailbox
messageSet = Await imap.SearchAsync("ALL",fetchUids)
If (imap.LastMethodSuccess = False) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Fetch the emails into a bundle object:
Dim bundle As Chilkat.EmailBundle
bundle = Await imap.FetchBundleAsync(messageSet)
If (imap.LastMethodSuccess = False) Then

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


' Loop over the bundle and display the FROM and SUBJECT of each.
Dim i As Integer = 0
Dim numEmails As Integer = bundle.MessageCount
While i < numEmails
    Dim email As Chilkat.Email = bundle.GetEmail(i)
    Debug.WriteLine(email.From)
    Debug.WriteLine(email.Subject)
    Debug.WriteLine("--")

    i = i + 1
End While

' Disconnect from the IMAP server.
success = Await imap.DisconnectAsync()




 

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