(VB.NET) Twitter - Tweet with Multiple Images

Example to post a status update with multiple associated images/photos (or videos).

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

' ----------------------------------------------------------------------
' This initial setup, which involves setting the OAuth1 properties and connecting
' to api.twitter.com, is only required once at the beginning.  Once connected, the same
' object instance may be re-used, and if necessary, it will automatically reconnect
' as needed.

' Assume we've previously obtained an access token and saved it to a JSON file..
Dim json As New Chilkat.JsonObject
Dim success As Boolean = json.LoadFile("qa_data/tokens/twitter.json")

Dim rest As New Chilkat.Rest
Dim oauth1 As New Chilkat.OAuth1

oauth1.ConsumerKey = "TWITTER_CONSUMER_KEY"
oauth1.ConsumerSecret = "TWITTER_CONSUMER_SECRET"
oauth1.Token = json.StringOf("oauth_token")
oauth1.TokenSecret = json.StringOf("oauth_token_secret")
oauth1.SignatureMethod = "HMAC-SHA1"
oauth1.GenNonce(16)

rest.SetAuthOAuth1(oauth1,False)

Dim bAutoReconnect As Boolean = True
success = rest.Connect("api.twitter.com",443,True,bAutoReconnect)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' This ends the initial setup...
' ----------------------------------------------------------------------

Dim tweetContent As String = "This is a test tweet with multiple images."

' Send a tweet...
rest.ClearAllQueryParams()
rest.AddQueryParam("status",tweetContent)

' Add list of comma separated media_ids to associate with the Tweet. 
' You may include up to 4 photos or 1 animated GIF or 1 video in a Tweet.
' The image needs to have been previously uploaded.  The upload response gave us
' the media ID we'll use to associate this tweet with the image (or video)
' See Twitter Upload Media for sample code.
rest.AddQueryParam("media_ids","793137045996646400,793192201392041984")

Dim resp As String = rest.FullRequestFormUrlEncoded("POST","/1.1/statuses/update.json")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


Dim jsonResponse As New Chilkat.JsonObject
jsonResponse.EmitCompact = False
jsonResponse.Load(resp)

If (rest.ResponseStatusCode <> 200) Then
    Debug.WriteLine(jsonResponse.Emit())
    Exit Sub
End If


' Show the successful response:
Debug.WriteLine(jsonResponse.Emit())
Debug.WriteLine("Success.")