QuickOPC User's Guide and Reference
_EasyDAItemChangedEventArgs Interface Properties

OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes Namespace : _EasyDAItemChangedEventArgs Interface

For a list of all members of this type, see _EasyDAItemChangedEventArgs members.

Public Properties
 NameDescription
 PropertyHolds arguments that were used to subscribe to an item in an OPC-DA server.  
 PropertyDiagnostics information (such as warnings) assembled during the operation.  
 PropertyCount of diagnostic information elements assembled during the operation.  
 PropertyTextual summary of diagnostics information, one message per line.  
 PropertyThe display string for the current object.  
 PropertyGets or sets the error ID of the error.  
 PropertyGets or sets a message that describes the current exception.  
 PropertyThe first line of the error message.  
 PropertyGets the current exception. Contains null reference when no exception.  
 PropertyA normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Diagnostics collection.  
 PropertyA normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Exception object, or null if there was no error.  
 PropertyStatus information corresponding to the contents of the event arguments.  
 PropertyGets indication whether the operation has succeeded.  
 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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See Also

Reference

_EasyDAItemChangedEventArgs Interface
OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes Namespace