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


OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.OperationModel Namespace : EasyDAItemChangedEventArgs Class

The following tables list the members exposed by EasyDAItemChangedEventArgs.

Public Constructors
 NameDescription
Public ConstructorOverloaded.   
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Public Properties
 NameDescription
Public PropertyHolds arguments that were used to subscribe to an item in an OPC-DA server.  
Public PropertyDiagnostics information (such as warnings) assembled during the operation. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyCount of diagnostic information elements assembled during the operation. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyTextual summary of diagnostics information, one message per line. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyGets or sets the error ID of the error. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyGets or sets a message that describes the current exception. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyThe first line of the error message. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyGets the current exception. Contains null reference when no exception. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyA normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Diagnostics collection. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyA normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Exception object, or null if there was no error. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyStatus information corresponding to the contents of the event arguments.  
Public PropertyGets indication whether the operation has succeeded. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public PropertyGets the current (new) OpcLabs.EasyOpc.DataAccess.DAVtq (value, timestamp and quality) of the OPC item. Null reference when System.Exception is not null.  
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Protected Properties
 NameDescription
Protected Propertystatic (Shared in Visual Basic)Default (item subscription) arguments.  
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Public Methods
 NameDescription
Public MethodOverridden.   
Public MethodOverloaded. Overridden. Determines whether the specified EasyDAItemChangedEventArgs is equal to the current object.  
Public MethodOverridden.   
Public MethodOverridden.   
Public Method (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public MethodGets the System.Type of the current instance. (Inherited from object)
Public MethodCreates a new object that is a memberwise copy of the current instance. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public Method (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public Methodstatic (Shared in Visual Basic)Converts event arguments to a corresponding result object, DAVtqResult.  
Public MethodReturns a long string representation of the current object. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Public MethodOverridden.   
Public Method (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
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Protected Methods
 NameDescription
Protected MethodInfrastructure.  
Protected MethodAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from object)
Protected MethodOverridden. Infrastructure.  
Protected MethodInfrastructure. (Inherited from OpcLabs.BaseLib.OperationModel.OperationEventArgs)
Protected MethodOverridden. Infrastructure.  
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Extension Methods
 NameDescription
Public Extension MethodSets the arbitrary object associated with the node.
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Public Operators
Determines whether the two objects are equal.
Converts event arguments to a corresponding result object, DAVtqResult.
Determines whether the two objects are not equal.
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See Also

Reference

EasyDAItemChangedEventArgs Class
OpcLabs.EasyOpc.DataAccess.OperationModel Namespace