/// <summary>
    /// 图片提示管理类
    /// </summary>
    public class PictureTip
    {
        /// <summary>
        /// 绑定图片的超提示功能
        /// </summary>
        /// <param name="pic"></param>
        /// <param name="tip"></param>
        public static void Bind(PictureEdit pic, string tip)
        {
            pic.ToolTip = tip;
            pic.ToolTipIconType = DevExpress.Utils.ToolTipIconType.Information;
            pic.ToolTipTitle = "系统提示";
            pic.ShowToolTips = true;
            pic.ToolTipController = new DevExpress.Utils.ToolTipController();

            //click事件
            pic.Click += (a, b) =>
            {
                pic.ToolTipController.ActiveObjectInfo.ImmediateToolTip = true;
                pic.ToolTipController.ActiveObjectInfo.Interval = 0;
                pic.ToolTipController.ActiveObjectInfo.ForcedShow = DevExpress.Utils.DefaultBoolean.True;
                //显示ToolTip
                pic.ToolTipController.ShowHint(pic.ToolTipController.ActiveObjectInfo);
            };
        }

    }

PictureTip.Bind(pictureEdit1, "点击设置该单据为送货完成状态。");