public DockManager()
{
Root = new DockRoot(this);
_dragManager = new DragManager(this);
_dockControls = new Dictionary <int, IDockControl>();
_floatWindows = new List <BaseFloatWindow>();
backwards = new Stack <int>();
forwards = new Stack <int>();
}
private void _Init(int fixCount)
{
Root = new DockRoot();
_dragManager = new DragManager(this);
_dockControls = new SortedDictionary <int, IDockControl>();
_floatWindows = new List <BaseFloatWindow>();
_backwards = new Stack <int>();
_forwards = new Stack <int>();
_layouts = new SortedDictionary <string, LayoutSetting.LayoutSetting>();
_fixCount = fixCount;
_id = _fixCount;
_disposedID = new Stack <int>();
}