[UWP] [C＃]删除地理围栏时出错

问题描述

大家好！

尝试删除地理围栏时出错

I get error when try to remove geofence

错误消息：操作尝试访问外部数据有效范围

Error Message: The operation attempted to access data outside the valid range

var geofences = GeofenceMonitor.Current.Geofences;
foreach (var item in geofences)
{
     if (item.Id.ToString() == fenceID.Text.ToString())
     {
          geofences.Remove(item);
          GeofenceMonitor.Current.GeofenceStateChanged -= Current_GeofenceStateChanged;
           GeofenceMonitor.Current.StatusChanged -= Current_StatusChanged;
      }
}

谢谢！

THANK YOU!

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