C#指纹采取  axZKFPEngX1.IsRegister总是返回false          if (axZKFPEngX1.IsRegister)   //到这就进不去了,总是返回false
            {
                i += 1;
                j = axZKFPEngX1.EnrollIndex - 1;
                if (j == 0)
                {
                    //lblchengg.ForeColor = ui.colorSucess;
                    lblTimes.Text = "0";
                    lblchengg.Text = "指纹采集成功 :)";
                }
                else
                {
                    lblTimes.Text = j.ToString();
                }
            }      哪位高手指点一下!!!c#