PowerBuilder

Set the Content-Disposition of an Attachment

Demonstrates the Chilkat Email.SetAttachmentDisposition method, which sets the Content-Disposition value for the attachment at a given zero-based index. The default disposition is attachment. This example changes an attachment's disposition to inline.

Background: The Content-Disposition header hints how a client should present a part: attachment means "offer it as a download," while inline means "display it within the message" (as an email client does with an embedded image). Setting it lets you control that behavior — though clients ultimately decide how to honor the hint.

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integer li_rc
integer li_Success
oleobject loo_Email

li_Success = 0

//  Demonstrates the SetAttachmentDisposition method, which sets the Content-Disposition
//  value for the attachment at the given zero-based index.  The default disposition is
//  "attachment".

loo_Email = create oleobject
li_rc = loo_Email.ConnectToNewObject("Chilkat.Email")
if li_rc < 0 then
    destroy loo_Email
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_Email.Subject = "Set attachment disposition"

loo_Email.AddStringAttachment("image.txt","(pretend inline content)")

//  Set the disposition of the first attachment (index 0) to "inline".
li_Success = loo_Email.SetAttachmentDisposition(0,"inline")
if li_Success = 0 then
    Write-Debug loo_Email.LastErrorText
    destroy loo_Email
    return
end if

//  The attachment's Content-Disposition is now "inline".
Write-Debug loo_Email.GetMime()


destroy loo_Email