namespace OPCDA.NET { using System; [Serializable] public class ItemPropertyData { public object Data; public int Error; public int PropertyID; public override string ToString() { if (this.Error == 0) { return string.Concat(new object[] { "ID:", this.PropertyID, " Data:", this.Data.ToString() }); } return string.Concat(new object[] { "ID:", this.PropertyID, " Error:", this.Error.ToString() }); } } }