/// <summary>
/// 方法说明：SDK发送群阅后即焚消息[群主改变阅后即焚状态]
/// 完成时间：2015-05-16
/// </summary>
/// <param name="changeMode">要切换的阅后即焚状态</param>
/// <param name="sendmodeEntity">发送实体信息</param>
/// <param name="errorMsg">错误提示</param>
/// <returns>是否成功发送群阅后即焚消息</returns>
public bool SdkPublishGpOwnerChangeMode(GroupChangeMode changeMode, MsSdkMessageChat sendmodeEntity,
ref string errorMsg)
{
var jsonStr = MsgConverter.GetJsonByGroupChangeMode(sendmodeEntity, changeMode, ref errorMsg);
return(!string.IsNullOrEmpty(jsonStr) && Publish(TopicSend.sdk_send.ToString(), jsonStr, false, ref errorMsg));
}
