PowerBuilder

Load an Email from MIME in a BinData

Demonstrates the Chilkat Email.SetFromMimeBd method, which loads an email from the MIME stored in a BinData object. On success, it replaces the entire current email. This example serializes one email into a BinData with GetMimeBd, then reconstructs it in a second object.

Background: This is the binary counterpart to SetFromMimeText and SetFromMimeSb. When a message's raw MIME arrives as bytes — read from a file, a socket, or a database blob into a BinData — loading it directly avoids any lossy or awkward byte-to-text conversion, which matters because MIME can carry binary transfer encodings.

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integer li_rc
integer li_Success
oleobject loo_Source
oleobject loo_BdMime
oleobject loo_Email

li_Success = 0

//  Demonstrates the SetFromMimeBd method, which loads an email from MIME stored in a BinData
//  object.  On success, it replaces the entire current email.

//  Build a source email and serialize its MIME into a BinData.
loo_Source = create oleobject
li_rc = loo_Source.ConnectToNewObject("Chilkat.Email")
if li_rc < 0 then
    destroy loo_Source
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_Source.Subject = "Source message"
loo_Source.From = "alice@example.com"
loo_Source.Body = "Hello from a BinData."
loo_BdMime = create oleobject
li_rc = loo_BdMime.ConnectToNewObject("Chilkat.BinData")

loo_Source.GetMimeBd(loo_BdMime)

//  Load a new email object from the BinData MIME.
loo_Email = create oleobject
li_rc = loo_Email.ConnectToNewObject("Chilkat.Email")

li_Success = loo_Email.SetFromMimeBd(loo_BdMime)
if li_Success = 0 then
    Write-Debug loo_Email.LastErrorText
    destroy loo_Source
    destroy loo_BdMime
    destroy loo_Email
    return
end if

Write-Debug "Loaded subject: " + loo_Email.Subject


destroy loo_Source
destroy loo_BdMime
destroy loo_Email