public void SetVelocity(string axes, double dbvel, ref string sErrMsg) { StringBuilder sErrorMessage = new StringBuilder(1024); int iError; double[] dbVelocity = new double[3]; dbVelocity[0] = dbvel; if (PICommand.VEL(m_iControllerId, axes, dbVelocity) == 0) { iError = PICommand.GetError(m_iControllerId); PICommand.TranslateError(iError, sErrorMessage, sErrorMessage.Capacity); sErrMsg = "ERROR From VEL " + iError.ToString() + ": " + sErrorMessage.ToString(); } }