private void btnLoad_Click(object sender, EventArgs e)
        {
            
            XmlDomAsyncLoaderCallback x = new XmlDomAsyncLoaderCallback(LoadXmlDocument);
            iar = this.BeginInvoke(x);

            toolStripStatusLabel1.Text = "Loading document...";
      

            this.Refresh(); 
        }
        private void btnLoad_Click(object sender, EventArgs e)
        {
            XmlDomAsyncLoaderCallback x = new XmlDomAsyncLoaderCallback(LoadXmlDocument);

            iar = this.BeginInvoke(x);

            toolStripStatusLabel1.Text = "Loading document...";


            this.Refresh();
        }