private void DataContext_XmlDecode(IBasicData obj)
{
this.Dispatcher.Invoke(new Action(() =>
{
XmlEncoder xmlEncoder = new XmlEncoder();
string startString = txt_xmlViewer.Text.Substring(0, txt_xmlViewer.CaretIndex);
string finalString = txt_xmlViewer.Text.Substring(txt_xmlViewer.CaretIndex);
txt_xmlViewer.Text = string.Format("{0}{1}{2}\n\r", startString, xmlEncoder.xmlEncode1(obj), finalString);
//txt_xmlViewer.AppendText(XmlEncode.xmlEncode((sender as MenuItemData).Data)+"\r\n");
}));
}