/// <summary>
/// Create a new group of nodes with the given name.
/// If name is already active, then return FALSE.
/// </summary>
/// <param name="name"></param>
/// <param name="net"></param>
/// <returns></returns>
public bool createGroup(String name, Network net)
{
Debug.Assert(net == network);
name = name.Trim();
if (name == "")
return false;
GroupRecord gr;
if (groups.TryGetValue(name, out gr))
return false; // Named group already exists
gr = recordAllocator(net, name);
groups.Add(name, gr);
EditorWindow editor = net.getEditor();
if (editor != null)
{
editor.setGroup(gr, this.groupID);
net.setFileDirty();
net.changeExistanceWork(null, true);
}
return true;
}