private void sendFileBtn_Click(object sender, EventArgs e)
 {
     fileToSendPath = FileTools.ChooseFilePath("txt(*.*) | *.*");
     if (fileToSendPath != "")
     {
         sendFileBtn.Enabled  = false;
         stopSendFile.Enabled = true;
         sendFileWorker.RunWorkerAsync();
     }
     else
     {
         MsgBox.ErrorMsg("File Error", "No file was selected, cancelling send process");
     }
 }