void OnAddParameterMenu(object userData, string[] options, int selected)
{
if (selected > -1) {
System.Type paramtype = ((Dictionary<string, System.Type>)userData)[options[selected]];
MBParameter pm;
SnapshotScene("Add "+paramtype.ToString());
if (SelectedObject is MBEmitter)
pm=((MBEmitter)SelectedObject).AddParameter(paramtype);
else
pm=((MBParameter)SelectedObject).ParentEmitter.AddParameter(paramtype);
InstantiateParameterHandler();
Select(pm);
}
}