c# - TweetSharp upload image with PhotoChooserTask and SendTweetWithMedia -

i'm trying upload picture on twitter of photochoosertask catching him. problem have not know how pass bitmapimage, format when choose image , pass stream.

below sample of code:

namespace twitter {     public partial class twitteruploadimage : phoneapplicationpage     {          // constructor          twitterservice service;         private const string consumerkey = "";         private const string consumersecret = "";         private oauthrequesttoken requesttoken;         private oauthaccesstoken accestoken;         private bool userauthenticated = false;          //uri uri = new uri("/background.png", urikind.relative);         //stream imagestream = application.getresourcestream(uri);         stream imagestream;         string namephoto;          public twitteruploadimage()         {              initializecomponent();             service = new twitterservice(consumerkey,consumersecret);              //chek if have autehntification data             var token = getaccesstoken();             if (token != null)             {                 service.authenticatewith(token.token, token.tokensecret);                 userauthenticated = true;             }         }          //protected override void onnavigatedto(navigationeventargs e)         //{         //    // dictionary of query string keys , values.          //    idictionary<string, string> querystrings = this.navigationcontext.querystring;          //    // ensure there @ least 1 key in query string, , check whether "fileid" key present.          //    if (querystrings.containskey("fileid"))         //    {         //        // retrieve photo media library using fileid passed app.          //        medialibrary library = new medialibrary();         //        picture photofromlibrary = library.getpicturefromtoken(querystrings["fileid"]);          //        // create bitmapimage object , add set image control source.          //        // retrieve full-resolution image, use getimage() method instead.          //        bitmapimage bitmapfromphoto = new bitmapimage();         //        bitmapfromphoto.setsource(photofromlibrary.getpreviewimage());         //        image1.source = bitmapfromphoto;         //    }         //}           private void tweetclick(object sender, routedeventargs e)         {             if (userauthenticated)                 tweet(message.text, imagestream);             else                 service.getrequesttoken(processrequesttoken);         }          private void processrequesttoken(oauthrequesttoken token, twitterresponse response)         {             if (token == null)                 dispatcher.begininvoke(() => { messagebox.show("error obtaining request token"); });             else             {                 requesttoken = token;                 dispatcher.begininvoke(() =>                 {                     browser.visibility = system.windows.visibility.visible;                     browser.navigate(service.getauthorizationuri(requesttoken));                 });             }         }          private void processaccesstoken(oauthaccesstoken token, twitterresponse response)         {             if (token == null)                 dispatcher.begininvoke(() => { messagebox.show("error obtaining access token"); });             else             {                 accestoken = token;                 service.authenticatewith(token.token, token.tokensecret);                 saveaccesstoken(token);                 userauthenticated = true;                 dispatcher.begininvoke(() =>                 {                     tweet(message.text, imagestream);                 });             }         }          private void tweet(string message, stream imagestream)         {             //sendtweetoptions msg = new sendtweetoptions();             //msg.status = message;             //service.sendtweet(msg, tweetresponse);              //medialibrary library = new medialibrary();             //picture picture = library.getpicturefromtoken(namephoto);             ////stream stream = picture.tostring;             //var stream = library.getpicturefromtoken(namephoto);              photochoosertask photochoosertask = new photochoosertask();             photochoosertask.completed += new eventhandler<photoresult>(photochoosertask_completed);             photochoosertask.show();              sendtweetwithmediaoptions msgmedia = new sendtweetwithmediaoptions();             msgmedia.status = message;             dictionary<string, stream> imagedict = new dictionary<string, stream> { { "test", imagestream } };             //imagedict.add(imagepath, imagestream);             msgmedia.images = imagedict;             //status = service.sendtweetwithmedia(new sendtweetwithmediaoptions() { status = readermsg.message, images = imagedict });             service.sendtweetwithmedia(msgmedia, tweetresponse);              ////var service = getauthenticatedservice();             //using (var stream = new filestream("daniel_8bit.png", filemode.open))             //{             //    var tweet = service.sendtweetwithmedia(new sendtweetwithmediaoptions             //        {             //            status = "can_tweet_with_image:tweet",             //            images = new dictionary<string, stream> {{"test", stream}}             //        });             //    //assert.isnotnull(tweet);             //    //assert.arenotequal(0, tweet.id);             //}              //service.sendtweetwithmedia(new sendtweetwithmediaoptions             //{             //    status = "can_tweet_with_image:tweet",             //    images = new dictionary<string, stream> { { "test", imagestream } }             //});          }          private void tweetresponse(twitterstatus tweet, twitterresponse response)         {             if (response.statuscode == httpstatuscode.ok)             {                 dispatcher.begininvoke(() => { messagebox.show("tweet posted successfully"); });             }             else             {                 if (response.statuscode == httpstatuscode.unauthorized)                 {                     saveaccesstoken(null);                     userauthenticated = false;                     dispatcher.begininvoke(() => { messagebox.show("authentication error"); });                 }                 else                     dispatcher.begininvoke(() => { messagebox.show("error, please try again later"); });             }         }          private void browsernavitaged(object sender, system.windows.navigation.navigationeventargs e)         {             if (e.uri.absoluteuri.contains("oauth_verifier"))             {                 var values = parsequerystring(e.uri.absoluteuri);                 string verifier = values["oauth_verifier"];                 service.getaccesstoken(requesttoken, verifier, processaccesstoken);                 dispatcher.begininvoke(() => { browser.visibility = system.windows.visibility.collapsed; });             }         }          private void saveaccesstoken(oauthaccesstoken token)         {             if (isolatedstoragesettings.applicationsettings.contains("accesstoken"))                 isolatedstoragesettings.applicationsettings["accesstoken"] = token;             else                 isolatedstoragesettings.applicationsettings.add("accesstoken", token);              isolatedstoragesettings.applicationsettings.save();         }          private oauthaccesstoken getaccesstoken()         {             if (isolatedstoragesettings.applicationsettings.contains("accesstoken"))                 return isolatedstoragesettings.applicationsettings["accesstoken"] oauthaccesstoken;             else                 return null;         }          protected override void onbackkeypress(system.componentmodel.canceleventargs e)         {             if (browser.visibility == system.windows.visibility.visible)             {                 browser.visibility = system.windows.visibility.collapsed;                 e.cancel = true;             }             base.onbackkeypress(e);         }          // hammock.extensions.stringextensions.cs         public static idictionary<string, string> parsequerystring(string query)         {             // [dc]: method not url decode, , cannot handle decoded input             if (query.startswith("?")) query = query.substring(1);              if (query.equals(string.empty))             {                 return new dictionary<string, string>();             }              var parts = query.split(new[] { '&' });              return parts.select(                 part => part.split(new[] { '=' })).todictionary(                     pair => pair[0], pair => pair[1]                 );         }          private void takepicture(object sender, routedeventargs e)         {             //photochoosertask photochoosertask = new photochoosertask();             //photochoosertask.completed += new eventhandler<photoresult>(photochoosertask_completed);             //photochoosertask.show();         }          void photochoosertask_completed(object sender, photoresult e)         {             if (e.taskresult == taskresult.ok)             {                 var img = new bitmapimage();                 img.setsource(e.chosenphoto);                    imagestream = img;                 //namephoto = e.originalfilename;                    //bitmapimage image = new bitmapimage();                 //image.setsource(e.chosenphoto);                 //this.img.source = image;             }         }      } } 

i had similar problem, solution same put question , after time found solution self, here solution. cannot use sendtweetwithmediaoptions in windows phone