public int SignOut() { LogManager.SystemLog.Debug(string.Format("Start UC_SDK_SignOut")); int iRet = UCInterface.UC_SDK_SignOut(); if (iRet != 0) { LogManager.SystemLog.Error(string.Format("Start UC_SDK_SignOut error {0}", iRet)); } LogManager.SystemLog.Debug(string.Format("End UC_SDK_SignOut")); return(iRet); }