Paint.TwitterIOS5.PostMessage C# (CSharp) Method

        private void PostMessage(string filename)
        {
            var tweetComposerViewController = new TWTweetComposeViewController();
            tweetComposerViewController.SetInitialText(LanguageStrings.TweetMessage);

            var image = UIImage.FromFile(filename);
            tweetComposerViewController.AddImage(image);

            tweetComposerViewController.SetCompletionHandler((TWTweetComposeViewControllerResult result) => {
                this.parentController.InvokeOnMainThread(() => {
                    this.parentController.DismissViewController(true, null);
                });
            });

            this.parentController.PresentViewController(tweetComposerViewController, true, null);
        }