public XmlDataStore()
{
// First try to find the default XML Schema
string mediaFolder = DXUtil.GetDXSDKMediaPath();
xmlDocumentLocation = mediaFolder + "dxmsgserver.xml";
xmlDom = new XmlDocument();
if (!System.IO.File.Exists(xmlDocumentLocation))
{
// We need to create our default schema
MessageBox.Show("The default XML data structure could not be found. We will create a new one.", "No default schema.", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.CreateDefaultSchema();
}
try
{
// Well the file exists, try to load it, and throw an exception if you
// don't like it
xmlDom.Load(xmlDocumentLocation);
if (xmlDom.ChildNodes.Count < 1)
{
throw new Exception();
}
}
catch
{
MessageBox.Show("There was an error trying to read the XML data. We will create a new schema.", "No default schema.", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.CreateDefaultSchema();
}
// No one can be logged on now, make sure everyone is marked offline
MarkEveryoneOffline();
}