OPC Studio User's Guide and Reference
EasyDAItemChangedEventArgs<TValue> Class Members
Properties  Methods 


OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.Generic Namespace : EasyDAItemChangedEventArgs<TValue> Class

The following tables list the members exposed by EasyDAItemChangedEventArgs<TValue>.

Public Constructors
 NameDescription
Public ConstructorEasyDAItemChangedEventArgs<TValue> ConstructorOverloaded.   
Top
Public Properties
 NameDescription
Public PropertyArgumentsHolds arguments that were used to subscribe to an item in an OPC-DA server. (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Public PropertyDiagnosticsDiagnostics information (such as warnings) assembled during the operation. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyDiagnosticsCountCount of diagnostic information elements assembled during the operation. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyDiagnosticsSummaryTextual summary of diagnostics information, one message per line. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyErrorIdGets or sets the error ID of the error. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyErrorMessageGets or sets a message that describes the current exception. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyErrorMessageBriefThe first line of the error message. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyExceptionGets the current exception. Contains null reference when no exception. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyNormalizedDiagnosticsA normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Diagnostics collection. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyNormalizedExceptionA normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Exception object, or null if there was no error. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyStatusInfoStatus information corresponding to the contents of the event arguments. (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Public PropertySucceededGets indication whether the operation has succeeded. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyTypedVtqGets the current (new) DAVtq<TValue> (a typed value, timestamp and quality) of the OPC item. Null reference when System.Exception is not null.  
Public PropertyVtqGets the current (new) OpcLabs.EasyOpc.DataAccess.DAVtq (value, timestamp and quality) of the OPC item. Null reference when System.Exception is not null. (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Top
Public Methods
 NameDescription
Public MethodCloneOverridden.   
Public MethodEqualsOverloaded. Determines whether the specified OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs is equal to the current object. (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Public MethodGetHashCode (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Public MethodGetObjectDataOverridden.   
Public MethodGetSchema (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public MethodGetTypeGets the System.Type of the current instance. (Inherited from object)
Public MethodMemberwiseCloneCreates a new object that is a memberwise copy of the current instance. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public MethodReadXml (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public Methodstatic (Shared in Visual Basic)ToDAVtqResultConverts typed event arguments to a corresponding typed result object, DAVtqResult<TValue>.  
Public MethodToLongStringReturns a long string representation of the current object. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public MethodToString (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Public MethodWriteXml (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Top
Protected Methods
 NameDescription
Protected MethodCheckVtqOverridden. Infrastructure.  
Protected MethodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from object)
Protected MethodReadXmlElementInfrastructure. (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Protected MethodToResultStringInfrastructure. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Protected MethodWriteXmlElementInfrastructure. (Inherited from OpcLabs.EasyOpc.DataAccess.OperationModel.EasyDAItemChangedEventArgs)
Top
Extension Methods
 NameDescription
Public Extension MethodSetState<TNode>Sets the arbitrary object associated with the node.
Top
Public Operators
public Operator Explicit Type Conversion Converts typed event arguments to a corresponding typed result object, DAVtqResult<TValue>.
Top
See Also

Reference

EasyDAItemChangedEventArgs<TValue> Class
OpcLabs.EasyOpc.DataAccess.Generic Namespace

 

 

Copyright © 2004-2025 CODE Consulting and Development, s.r.o., Plzen. All rights reserved. Web page: www.opclabs.com

Documentation Home, Send Feedback. Resources: Knowledge Base, Product Downloads. Technical support: Online Forums, FAQ.

Missing some example? Ask us for it on our Online Forums! You do not have to own a commercial license in order to use Online Forums, and we reply to every post.