public rMindBaseController(rMindCanvasController parent)
{
Name = "root";
m_parent = parent;
m_items_state = new rMindControllerState()
{
DragedItem = null,
ZoomFactor = 1,
Saved = false
};
m_magnet = new rMindMagnet();
m_items = new List <rMindBaseElement>();
m_wire_list = new List <rMindBaseWire>();
m_selected_items = new List <rMindBaseElement>();
}