public void RegisterRetCallback(String cmdname, RetCallbackType func, Type vartype, Type rettype, String desc)
{
CallbackItem cb;
String vartypename = "null";
String cmd = cmdname;
if (vartype != null)
{
vartypename = vartype.ToString();
cmd += "|" + vartypename;
}
if (CallbackDB.ContainsKey(cmdname))
{
cb = CallbackDB[cmd];
}
else
{
cb = new CallbackItem();
cb.name = cmdname;
cb.type = vartypename;
cb.description = desc;
CallbackDB[cmd] = cb;
}
cb.RetCallback += new RetCallbackType(func);
cb.retType = rettype.ToString();
cb.Callback = null;
}