Sample code for 30+ languages & platforms
Xojo Plugin

Unpack HTML Email to Files

Unpacks an HTML email into an HTML file and related files (images and style sheets). The links within the HTML are updated to point to the files unpacked and saved to disk.

Chilkat Xojo Plugin Downloads

Xojo Plugin
Dim success As Boolean
success = False

Dim email As New Chilkat.Email

success = email.LoadEml("qa_data/eml/happyHour.eml")
If (success <> True) Then
    System.DebugLog(email.LastErrorText)
    Return
End If

// Is this an HTML email?
If (email.HasHtmlBody() = True) Then

    // Unpack the HTML to files.  The image and css URLs
    // in the HTML are modified to point to the files extracted to disk.
    Dim unpackDir As String
    unpackDir = "qa_output/emails"
    Dim partsSubdir As String
    partsSubdir = "images"
    Dim htmlFilename As String
    htmlFilename = "happyHour.html"
    success = email.UnpackHtml(unpackDir,htmlFilename,partsSubdir)
    If (success <> True) Then
        System.DebugLog(email.LastErrorText)
        Return
    End If

    System.DebugLog("Success.")
End If