同步3.0.0版本代码

framework/Foundation/ThingsGateway.Foundation.Adapter.OPCDA/COM/Da/OpcItem.cs

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+#region copyright
+//------------------------------------------------------------------------------
+//  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
+//  此代码版权（除特别声明外的代码）归作者本人Diego所有
+//  源代码使用协议遵循本仓库的开源协议及附加协议
+//  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
+//  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
+//  使用文档：https://diego2098.gitee.io/thingsgateway-docs/
+//  QQ群：605534569
+//------------------------------------------------------------------------------
+#endregion
+
+using ThingsGateway.Foundation.Adapter.OPCDA.Rcw;
+
+namespace ThingsGateway.Foundation.Adapter.OPCDA.Da;
+/// <summary>
+/// OpcItem
+/// </summary>
+public class OpcItem
+{
+    private static int _hanle = 0;
+    /// <summary>
+    /// OpcItem
+    /// </summary>
+    /// <param name="itemId"></param>
+    public OpcItem(string itemId)
+    {
+        ItemID = itemId;
+        ClientHandle = ++_hanle;
+    }
+    /// <summary>
+    /// AccessPath
+    /// </summary>
+    public string AccessPath { get; private set; } = "";
+    /// <summary>
+    /// Blob
+    /// </summary>
+    public IntPtr Blob { get; set; } = IntPtr.Zero;
+    /// <summary>
+    /// BlobSize
+    /// </summary>
+    public int BlobSize { get; set; } = 0;
+    /// <summary>
+    /// ClientHandle
+    /// </summary>
+    public int ClientHandle { get; private set; }
+
+    /// <summary>
+    /// active(1) or not(0)
+    /// </summary>
+    public bool IsActive { get; set; } = true;
+
+    /// <summary>
+    /// 数据项在opc server的完全名称
+    /// </summary>
+    public string ItemID { get; private set; } = String.Empty;
+    /// <summary>
+    /// Quality
+    /// </summary>
+    public int Quality { get; set; } = Qualities.OPC_QUALITY_BAD;
+    /// <summary>
+    /// RunTimeDataType
+    /// </summary>
+    public short RunTimeDataType { get; set; } = 0;
+    /// <summary>
+    /// ServerHandle
+    /// </summary>
+    public int ServerHandle { get; set; }
+    /// <summary>
+    /// TimeStamp
+    /// </summary>
+    public DateTime TimeStamp { get; set; } = new DateTime(0);
+    /// <summary>
+    /// Value
+    /// </summary>
+    public object Value { get; set; }
+}