as3添加鼠标右键菜单项
var cm:ContextMenu = new ContextMenu();
cm.hideBuiltInItems();
var cmItem:ContextMenuItem = new ContextMenuItem("222:" + 1, true);
//
cm.customItems.push(cmItem);
cm.addEventListener(ContextMenuEvent.MENU_SELECT, onRightKeyClick);
for (var i:int = 0, len:int = cm.customItems.length; i < len; i++)
{
cm.customItems[i].addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, onSelected);
}
this.contextMenu = cm;