PowerBuilder
Outlook Send HTML Email with Embedded Images

This example sends an HTML email with embedded images. Other examples exist for:
Sending plain-text email.
Sending email with attachments.
Sending HTML email with embedded images and attachments.
Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
long li_Success
oleobject loo_Http
long li_BCrlf
oleobject loo_SbHtmlBody
oleobject loo_JpgStarfish
oleobject loo_JpgHedgeHogs
oleobject loo_Json
oleobject loo_Resp

li_Success = 0

//  Important: This example requires Chilkat v9.5.0.68 or greater.

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

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

//  Use your previously obtained access token here:
//  See the following examples for getting an access token:
//     Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
//     Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
//     Refresh Access Token (Azure AD v2.0 Endpoint).
//     Refresh Access Token (Azure AD Endpoint).

loo_Http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"

//  To send mail, we'll POST to the following endpoint:
//  
//  POST /users/{id | userPrincipalName}/sendMail
//  
//  (The special keyword "me" may be used in place of a principal name.)
//  

//  This example will send HTML email containing the following HTML body.
//  After the 

//  	<html>
//  	<head>
//  	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
//  	<meta content="text/html; charset=utf-8">
//  	</head>
//  	<body bgcolor="#FFFFFF">
//  	<font face="Calibri">This is a test <b>HTML email with embedded images</b>.<br>
//  	<br>
//  	<img alt="" src="cid:starfish"><br>
//  	<img alt="" src="cid:hedgehogs"><br>
//  	</font>
//  	</body>
//  	</html>

//  Build the HTML body...
li_BCrlf = 1
loo_SbHtmlBody = create oleobject
li_rc = loo_SbHtmlBody.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbHtmlBody.AppendLine("<html>",li_BCrlf)
loo_SbHtmlBody.AppendLine("<head>",li_BCrlf)
loo_SbHtmlBody.AppendLine("<meta http-equiv=~"Content-Type~" content=~"text/html; charset=utf-8~">",li_BCrlf)
loo_SbHtmlBody.AppendLine("<meta content=~"text/html; charset=utf-8~">",li_BCrlf)
loo_SbHtmlBody.AppendLine("</head>",li_BCrlf)
loo_SbHtmlBody.AppendLine("<body bgcolor=~"#FFFFFF~">",li_BCrlf)
loo_SbHtmlBody.AppendLine("<font face=~"Calibri~">This is a test <b>HTML email with embedded images</b>.<br>",li_BCrlf)
loo_SbHtmlBody.AppendLine("<br>",li_BCrlf)
loo_SbHtmlBody.AppendLine("<img alt=~"~" src=~"cid:starfish~"><br>",li_BCrlf)
loo_SbHtmlBody.AppendLine("<img alt=~"~" src=~"cid:hedgehogs~"><br>",li_BCrlf)
loo_SbHtmlBody.AppendLine("</font>",li_BCrlf)
loo_SbHtmlBody.AppendLine("</body>",li_BCrlf)
loo_SbHtmlBody.AppendLine("</html>",li_BCrlf)

//  Load the image files.
loo_JpgStarfish = create oleobject
li_rc = loo_JpgStarfish.ConnectToNewObject("Chilkat.BinData")

loo_JpgStarfish.LoadFile("qa_data/jpg/starfish.jpg")
loo_JpgHedgeHogs = create oleobject
li_rc = loo_JpgHedgeHogs.ConnectToNewObject("Chilkat.BinData")

loo_JpgHedgeHogs.LoadFile("qa_data/jpg/hedgehogs.jpg")

//  The body of the POST request contains JSON that specifies the email subject, body,
//  recipients, etc.  This example will build the following JSON HTML email:
//  

//  	{
//  	  "message": {
//  	    "subject": "Sample HTML Email with Embedded Images",
//  	    "body": {
//  	      "contentType": "html",
//  	      "content": "The HTML body goes here..."
//  	    },
//  	    "toRecipients": [
//  	      {
//  	        "emailAddress": {
//  		  "name": "Chilkat Software",
//  	          "address": "admin@chilkat.io"
//  	        }
//  	      },
//  	      {
//  	        "emailAddress": {
//  	          "address": "chilkat.support@gmail.com"
//  	        }
//  	      }
//  	    ],
//  	    "ccRecipients": [
//  	      {
//  	        "emailAddress": {
//  		  "name": "Chilkat Blog",
//  		  "address": "admin@cknotes.com"
//  	        }
//  	      }
//  	    ],
//  	    "attachments": [
//  	       {
//  	         "@odata.type": "#microsoft.graph.fileAttachment",
//  	         "name": "starfish.jpg",
//  	         "contentType": "image/jpeg",
//  	         "size": 6497,
//  	         "isInline": true,
//  	         "contentId": "starfish",
//  	         "contentLocation": null,
//  	         "contentBytes": "base64_data_here"
//  	       },
//  	       {
//  	         "@odata.type": "#microsoft.graph.fileAttachment",
//  	         "name": "hedgehogs.jpg",
//  	         "contentType": "image/jpeg",
//  	         "size": 48845,
//  	         "isInline": true,
//  	         "contentId": "hedgehogs",
//  	         "contentLocation": null,
//  	         "contentBytes": "base64_data_here"
//  	       }
//  	    ]
//  	  },
//  	  "saveToSentItems": true
//  	}
//  
//  Build the above JSON.
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.UpdateString("message.subject","Sample HTML Email with Embedded Images")
loo_Json.UpdateString("message.body.contentType","html")
loo_Json.UpdateString("message.body.content",loo_SbHtmlBody.GetAsString())

loo_Json.UpdateString("message.toRecipients[0].emailAddress.name","Chilkat Software")
loo_Json.UpdateString("message.toRecipients[0].emailAddress.address","admin@chilkat.io")
loo_Json.UpdateString("message.toRecipients[1].emailAddress.address","chilkat.support@gmail.com")
loo_Json.UpdateString("message.ccRecipients[0].emailAddress.name","Chilkat Blog")
loo_Json.UpdateString("message.ccRecipients[0].emailAddress.address","admin@cknotes.com")

loo_Json.UpdateString("message.attachments[0].~"@odata.type~"","#microsoft.graph.fileAttachment")
loo_Json.UpdateString("message.attachments[0].name","starfish.jpg")
loo_Json.UpdateString("message.attachments[0].contentType","image/jpeg")
loo_Json.UpdateInt("message.attachments[0].size",loo_JpgStarfish.NumBytes)
loo_Json.UpdateBool("message.attachments[0].isInline",1)
//  This contentId must match the "cid:" in the HTML
loo_Json.UpdateString("message.attachments[0].contentId","starfish")
loo_Json.UpdateNull("message.attachments[0].contentLocation")
loo_Json.UpdateBd("message.attachments[0].contentBytes","base64",loo_JpgStarfish)

loo_Json.UpdateString("message.attachments[1].~"@odata.type~"","#microsoft.graph.fileAttachment")
loo_Json.UpdateString("message.attachments[1].name","hedgehogs.jpg")
loo_Json.UpdateString("message.attachments[1].contentType","image/jpeg")
loo_Json.UpdateInt("message.attachments[1].size",loo_JpgHedgeHogs.NumBytes)
loo_Json.UpdateBool("message.attachments[1].isInline",1)
//  This contentId must match the "cid:" in the HTML
loo_Json.UpdateString("message.attachments[1].contentId","hedgehogs")
loo_Json.UpdateNull("message.attachments[1].contentLocation")
loo_Json.UpdateBd("message.attachments[1].contentBytes","base64",loo_JpgHedgeHogs)

loo_Json.UpdateBool("saveToSentItems",1)

//  -------------------------------------------------------------
//  Important: This example requires Chilkat v9.5.0.68 or greater.
//  -------------------------------------------------------------

//  Send the HTTP POST (i.e. send the HTML email)
loo_Resp = create oleobject
li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse")

li_Success = loo_Http.HttpJson("POST","https://graph.microsoft.com/v1.0/me/sendMail",loo_Json,"application/json",loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_SbHtmlBody
    destroy loo_JpgStarfish
    destroy loo_JpgHedgeHogs
    destroy loo_Json
    destroy loo_Resp
    return
end if

//  The send succeeded if the response status code = 202.
//  In the success case, there is no response body.  (We just get the response code to know that it succeeded.)
if loo_Resp.StatusCode <> 202 then
    loo_Json.Load(loo_Resp.BodyStr)
    loo_Json.EmitCompact = 0
    Write-Debug loo_Json.Emit()
    Write-Debug "Failed, response status code = " + string(loo_Resp.StatusCode)
else
    Write-Debug "Outlook HTML Mail Sent."
end if



destroy loo_Http
destroy loo_SbHtmlBody
destroy loo_JpgStarfish
destroy loo_JpgHedgeHogs
destroy loo_Json
destroy loo_Resp