Example #1
0
        // Token: 0x06000007 RID: 7 RVA: 0x000022DC File Offset: 0x000004DC
        public bool Write(string[] sItemIDArray, object[] oValArray, out int[] nErrorArray)
        {
            int num = sItemIDArray.Count <string>();

            nErrorArray = new int[num];
            bool result;

            try
            {
                IOPCItemIO   iopcitemIO = (IOPCItemIO)this.m_OPCServer;
                OPCITEMVQT[] array      = new OPCITEMVQT[num];
                for (int i = 0; i < oValArray.Count <object>(); i++)
                {
                    array[i] = new OPCITEMVQT
                    {
                        vDataValue = oValArray[i]
                    };
                }
                IntPtr intPtr;
                iopcitemIO.WriteVQT(num, sItemIDArray, array, out intPtr);
                Marshal.Copy(intPtr, nErrorArray, 0, num);
                Marshal.FreeCoTaskMem(intPtr);
                result = true;
            }
            catch (Exception ex)
            {
#if DEBUG
                Debug.WriteLine(ex);
#endif
                result = false;
            }
            return(result);
        }
Example #2
0
        /// <summary>
        /// Writes the value, quality and timestamp for a set of items.
        /// </summary>
        /// <param name="items">The set of item values to write.</param>
        /// <returns>The results of the write operation for each item.</returns>
        public virtual OpcItemResult[] Write(TsCDaItemValue[] items)
        {
            if (items == null)
            {
                throw new ArgumentNullException(nameof(items));
            }

            lock (this)
            {
                if (m_server == null)
                {
                    throw new NotConnectedException();
                }
                string methodName = "IOPCItemIO.WriteVQT";

                int count = items.Length;
                if (count == 0)
                {
                    throw new ArgumentOutOfRangeException("items.Length", "0");
                }

                // initialize arguments.
                string[] itemIDs = new string[count];

                for (int ii = 0; ii < count; ii++)
                {
                    itemIDs[ii] = items[ii].ItemName;
                }

                OpcRcw.Da.OPCITEMVQT[] values = Technosoftware.DaAeHdaClient.Com.Da.Interop.GetOPCITEMVQTs(items);

                IntPtr pErrors = IntPtr.Zero;

                // invoke COM method.
                try
                {
                    IOPCItemIO server = BeginComCall <IOPCItemIO>(methodName, true);
                    server.WriteVQT(
                        count,
                        itemIDs,
                        values,
                        out pErrors);
                }
                catch (Exception e)
                {
                    ComCallError(methodName, e);
                    throw Technosoftware.DaAeHdaClient.Com.Interop.CreateException(methodName, e);
                }
                finally
                {
                    EndComCall(methodName);
                }

                // unmarshal results.
                int[] errors = Technosoftware.DaAeHdaClient.Utilities.Interop.GetInt32s(ref pErrors, count, true);

                // construct result array.
                OpcItemResult[] results = new OpcItemResult[count];

                for (int ii = 0; ii < count; ii++)
                {
                    results[ii] = new OpcItemResult(items[ii]);

                    results[ii].ServerHandle   = null;
                    results[ii].Result         = Technosoftware.DaAeHdaClient.Utilities.Interop.GetResultID(errors[ii]);
                    results[ii].DiagnosticInfo = null;

                    // convert COM code to unified DA code.
                    if (errors[ii] == Result.E_BADRIGHTS)
                    {
                        results[ii].Result = new OpcResult(OpcResult.Da.E_READONLY, Result.E_BADRIGHTS);
                    }

                    // apply request options.
                    if ((filters_ & (int)TsCDaResultFilter.ItemName) == 0)
                    {
                        results[ii].ItemName = null;
                    }
                    if ((filters_ & (int)TsCDaResultFilter.ItemPath) == 0)
                    {
                        results[ii].ItemPath = null;
                    }
                    if ((filters_ & (int)TsCDaResultFilter.ClientHandle) == 0)
                    {
                        results[ii].ClientHandle = null;
                    }
                }

                // return results.
                return(results);
            }
        }