(VB.NET UWP/WinRT) Create GMail Draft

Demonstrates how to create a new GMail draft email.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Dim success As Boolean

' Use the Chilkat Email API to create or load an email.
Dim email As New Chilkat.Email
email.Subject = "This is a test GMail email created using Chilkat."
email.Charset = "utf-8"
email.AddPlainTextAlternativeBody("This is a test")
email.AddHtmlAlternativeBody("<html><body><p>This is a <b>test</b></body></html>")

' We'll need to get the full MIME of the email encoded to a base64url string.
Dim sbMime As New Chilkat.StringBuilder
email.GetMimeSb(sbMime)
sbMime.Encode("base64url","utf-8")

' The body of the HTTP request will be JSON..
Dim json As New Chilkat.JsonObject
json.UpdateSb("message.raw",sbMime)

' Upload the email to GMail as a draft.
Dim http As New Chilkat.Http
http.AuthToken = "GMAIL-ACCESS-TOKEN"

Dim url As String = "https://www.googleapis.com/gmail/v1/users/me/drafts"
Dim resp As Chilkat.HttpResponse = Await http.PostJson3Async(url,"application/json",json)
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' A status code of 200 indicates success.
Debug.WriteLine("Response status code: " & resp.StatusCode)
Debug.WriteLine("Response body:")
Debug.WriteLine(resp.BodyStr)


' The response body contains JSON.
' Use the online tool at Generate JSON Parsing Code
' to generate JSON parsing code.

' A sample successful JSON response:

' {
'  "id": "r-2607584557788895307",
'  "message": {
'   "id": "166f09932c662e93",
'   "threadId": "166f09932c662e93",
'   "labelIds": [
'    "DRAFT"
'   ]
'  }
' }