 import flash.events.FocusEvent;
 import flash.events.KeyboardEvent;
 import flash.events.MouseEvent;
-import flash.events.TextEvent;
+import flash.geom.Matrix;
 import flash.geom.Point;
 import flash.geom.Rectangle;
 import flash.text.TextLineMetrics;
 import flash.ui.Keyboard;
-import flash.utils.getTimer;
+
 import mx.collections.ArrayCollection;
 import mx.collections.CursorBookmark;
 import mx.controls.dataGridClasses.DataGridListData;

            // weak reference to stage
            systemManager.addEventListener(Event.RESIZE, stage_resizeHandler, false, 0, true);
        }
            
        _dropdown.scaleX = scaleX;
        _dropdown.scaleY = scaleY;

        return _dropdown;
    }

            invalidateDisplayList();

            destroyDropdown();
        }
    }

    /**
