/// <summary>
/// 获取群组信息列表
/// </summary>
/// <param name="group_id_arry">获取的群组详情ID集合</param>
/// <param name="handler">获取群组信息列表成功与否的回调</param>
public static TIMResult IMGroupGetGroupInfoList(List <string> group_id_arry, GroupGetGroupInfoListDelegate handler = null)
{
var ptr = DelegateConverter.ConvertToIntPtr(handler);
return((TIMResult)TIMClientAPIDef.TIMGroupGetGroupInfoList(JsonConvert.SerializeObject(group_id_arry), GroupGetGroupInfoListCallBack, ptr));
}