PowerBuilder

Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Imap
string ls_SeenSearch
string ls_NotSeenSearch
integer li_FetchUids
oleobject loo_MessageSet
oleobject loo_Bundle
integer li_HeadersOnly
oleobject loo_Email
integer i
integer li_NumEmails

li_Success = 0

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

loo_Imap = create oleobject
li_rc = loo_Imap.ConnectToNewObject("Chilkat.Imap")
if li_rc < 0 then
    destroy loo_Imap
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Connect to an IMAP server.
// Use TLS
loo_Imap.Ssl = 1
loo_Imap.Port = 993
li_Success = loo_Imap.Connect("imap.example.com")
if li_Success = 0 then
    Write-Debug loo_Imap.LastErrorText
    destroy loo_Imap
    return
end if

// Login
li_Success = loo_Imap.Login("admin@chilkatsoft.com","myPassword")
if li_Success = 0 then
    Write-Debug loo_Imap.LastErrorText
    destroy loo_Imap
    return
end if

// Select an IMAP mailbox
li_Success = loo_Imap.SelectMailbox("Inbox")
if li_Success = 0 then
    Write-Debug loo_Imap.LastErrorText
    destroy loo_Imap
    return
end if

// Find emails marked as seen or not already seen:
ls_SeenSearch = "SEEN"
ls_NotSeenSearch = "NOT SEEN"

// Get the set of unseen message UIDs
li_FetchUids = 1
loo_MessageSet = create oleobject
li_rc = loo_MessageSet.ConnectToNewObject("Chilkat.MessageSet")

li_Success = loo_Imap.QueryMbx(ls_NotSeenSearch,li_FetchUids,loo_MessageSet)
if li_Success = 0 then
    Write-Debug loo_Imap.LastErrorText
    destroy loo_Imap
    destroy loo_MessageSet
    return
end if

// Fetch the unseen emails into a bundle object:
loo_Bundle = create oleobject
li_rc = loo_Bundle.ConnectToNewObject("Chilkat.EmailBundle")

li_HeadersOnly = 0
li_Success = loo_Imap.FetchMsgSet(li_HeadersOnly,loo_MessageSet,loo_Bundle)
if li_Success = 0 then
    Write-Debug loo_Imap.LastErrorText
    destroy loo_Imap
    destroy loo_MessageSet
    destroy loo_Bundle
    return
end if

// Display the Subject and From of each email.
loo_Email = create oleobject
li_rc = loo_Email.ConnectToNewObject("Chilkat.Email")

i = 0
li_NumEmails = loo_Bundle.MessageCount
do while i < li_NumEmails
    loo_Bundle.EmailAt(i,loo_Email)

    Write-Debug loo_Email.GetHeaderField("Date")
    Write-Debug loo_Email.Subject
    Write-Debug loo_Email.From
    Write-Debug "--"
    i = i + 1
loop

// Disconnect from the IMAP server.
li_Success = loo_Imap.Disconnect()


destroy loo_Imap
destroy loo_MessageSet
destroy loo_Bundle
destroy loo_Email