/// <summary>
/// Start an XDB request.
/// </summary>
/// <param name="root"></param>
/// <param name="xtype"></param>
/// <param name="owner"></param>
/// <param name="ns"></param>
/// <param name="action"></param>
/// <param name="cb"></param>
/// <param name="cbArg"></param>
public void BeginXdb(XmlElement root, XdbType xtype,
string owner, string ns, XdbAction action,
XdbCB cb, object cbArg)
{
Debug.Assert(owner != null);
Debug.Assert(ns != null);
Xdb xdb = new Xdb(m_comp.Document);
xdb.NS = ns;
xdb.Type = xtype;
xdb.To = owner;
xdb.From = m_comp.ComponentID;
if (action != XdbAction.NONE)
{
xdb.Action = action;
}
if (root != null)
{
xdb.AddChild(root);
}
// if no callback, ignore response.
if (cb != null)
{
TrackerData td = new TrackerData();
td.cb = cb;
td.data = cbArg;
lock (m_pending)
{
m_pending[xdb.ID] = td;
}
}
m_comp.Write(xdb);
}
