OpcException Class

Exceptions arising from OPC operations.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<CLSCompliantAttribute(True)>
<ComDefaultInterfaceAttribute(OpcLabs.EasyOpc.OperationModel.ComTypes._OpcException)>
<ComVisibleAttribute(True)>
<GuidAttribute("852E50A5-46D1-46F6-8F03-361925E491CE")>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
<SerializableAttribute()>
Public NotInheritable Class OpcException 
   Inherits OpcLabs.BaseLib.OperationModel.OperationException
   Implements OpcLabs.BaseLib.ComTypes._Exception2, OpcLabs.BaseLib.OperationModel.ComTypes._OperationException, OpcLabs.EasyOpc.OperationModel.ComTypes._OpcException, System.Runtime.InteropServices._Exception, System.Runtime.Serialization.ISerializable

'Usage
 
Dim instance As OpcException

[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.OperationModel.ComTypes._OpcException)]
[ComVisible(true)]
[Guid("852E50A5-46D1-46F6-8F03-361925E491CE")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[Serializable()]
public sealed class OpcException : OpcLabs.BaseLib.OperationModel.OperationException, OpcLabs.BaseLib.ComTypes._Exception2, OpcLabs.BaseLib.OperationModel.ComTypes._OperationException, OpcLabs.EasyOpc.OperationModel.ComTypes._OpcException, System.Runtime.InteropServices._Exception, System.Runtime.Serialization.ISerializable

[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.OperationModel.ComTypes._OpcException)]
[ComVisible(true)]
[Guid("852E50A5-46D1-46F6-8F03-361925E491CE")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[Serializable()]
public ref class OpcException sealed : public OpcLabs.BaseLib.OperationModel.OperationException, OpcLabs.BaseLib.ComTypes._Exception2, OpcLabs.BaseLib.OperationModel.ComTypes._OperationException, OpcLabs.EasyOpc.OperationModel.ComTypes._OpcException, System.Runtime.InteropServices._Exception, System.Runtime.Serialization.ISerializable

Remarks

In general, you cannot safely prevent these exceptions from happening. Various conditions external to your code can cause OPC failures, e.g. network problems, improper OPC server configuration, etc. For this reason, you should always expect that an OPC operation can fail.

Inheritance Hierarchy

System.Object
   System.Exception
      System.ApplicationException
         OpcLabs.BaseLib.Exception2
            OpcLabs.BaseLib.OperationModel.OperationException
               OpcLabs.EasyOpc.OperationModel.OpcException

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

OpcException Members
OpcLabs.EasyOpc.OperationModel Namespace

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