PowerBuilder
SendGrid HTML Email with Embedded Images

Demonstrates how to send an HTML email with embedded images using SendGrid.
Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
integer li_Success
oleobject loo_Req
oleobject loo_Http
oleobject loo_BdJpg
oleobject loo_SbHtml
oleobject loo_Json
oleobject loo_Resp

li_Success = 0

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

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

// First.. load a JPG file and build an HTML img tag with the JPG data inline encoded.
// Our HTML img tag will look like this:
// <img src="data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEA3ADcAA..." alt="" style="border-width:0px;" />
loo_BdJpg = create oleobject
li_rc = loo_BdJpg.ConnectToNewObject("Chilkat.BinData")

li_Success = loo_BdJpg.LoadFile("qa_data/jpg/starfish.jpg")
if li_Success = 0 then
    Write-Debug "Failed to load JPG file."
    destroy loo_Req
    destroy loo_Http
    destroy loo_BdJpg
    return
end if

// Note: HTML containing embedded base64 image data may not be visible in all email clients.
// For example, GMail might not display the image, but viewing in Outlook might be OK.
loo_SbHtml = create oleobject
li_rc = loo_SbHtml.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbHtml.Append("<html><body><b>This is a test<b><br /><img src=~"data:image/jpeg;base64,")
// Append the base64 image data to sbHtml.
loo_BdJpg.GetEncodedSb("base64",loo_SbHtml)
loo_SbHtml.Append("~" alt=~"~" style=~"border-width:0px;~" /></body></html>")

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.UpdateString("personalizations[0].to[0].email","matt@chilkat.io")
loo_Json.UpdateString("personalizations[0].to[0].name","Matt")
loo_Json.UpdateString("from.email","admin@chilkatsoft.com")
loo_Json.UpdateString("subject","Test HTML email with images")
loo_Json.UpdateString("content[0].type","text/html")
loo_Json.UpdateSb("content[0].value",loo_SbHtml)

loo_Http.AuthToken = "SENDGRID_API_KEY"

loo_Resp = create oleobject
li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse")

li_Success = loo_Http.HttpJson("POST","https://api.sendgrid.com/v3/mail/send",loo_Json,"application/json",loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Req
    destroy loo_Http
    destroy loo_BdJpg
    destroy loo_SbHtml
    destroy loo_Json
    destroy loo_Resp
    return
end if

Write-Debug "response status code: " + string(loo_Resp.StatusCode)
// Display the response.
// If successful, the response code is 202 and the response body string is empty.
// (The response body string may also be empty for error response codes.)
Write-Debug loo_Resp.BodyStr


destroy loo_Req
destroy loo_Http
destroy loo_BdJpg
destroy loo_SbHtml
destroy loo_Json
destroy loo_Resp