iSpyApplication.MainForm.uploadToYouTubePublicToolStripMenuItem_Click C# (CSharp) Method

        private void uploadToYouTubePublicToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string msg = "";
            lock (ThreadLock)
            {
                for (int i = 0; i < flowPreview.Controls.Count; i++)
                {
                    var pb = flowPreview.Controls[i] as PreviewBox;
                    if (pb != null && pb.Selected)
                    {
                        bool b;
                        msg = YouTubeUploader.Upload(pb.Oid, pb.FileName, out b);
                    }
                }
            }
            if (msg != "")
                MessageBox.Show(this, msg);
        }