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


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

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

Public Constructors
 NameDescription
Public ConstructorDAVtq<TValue> ConstructorOverloaded. Initializes a new instance of the class.  
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Public Properties
 NameDescription
Public PropertyHasTimestampDetermines whether there is a (non-default) timestamp in the VTQ. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyHasValueReturns whether the Value contains valid data. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public Propertystatic (Shared in Visual Basic)NullA null typed value-timestamp-quality.  
Public PropertyQualityGets or sets the quality. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyStatusInfoStatus information. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyTimestampGets or sets the timestamp. In UTC. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyTimestampDoubleGets or sets the timestamp. In UTC, as double-precision floating-point number that contains an OLE Automation date. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyTimestampLocalGets or sets the timestamp. In local time. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyTimestampLocalDoubleGets or sets the timestamp. In local time, as double-precision floating-point number that contains an OLE Automation date. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyTypedValueGets or sets the data value.  
Public PropertyValueGets or sets the data value. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public PropertyValueTypeReturns the type of the Value, or null if there is no value. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
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Public Methods
 NameDescription
Public MethodCloneOverridden.   
Public MethodDisplayValueFormats the data value for display. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public MethodEqualsOverloaded. Determines whether the specified OpcLabs.EasyOpc.DataAccess.DAVtq is equal to the current object. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public Methodstatic (Shared in Visual Basic)FromDAVtqCreates a typed generic DAVtq<TValue> from non-generic OpcLabs.EasyOpc.DataAccess.DAVtq object.  
Public MethodGetHashCode (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public MethodGetObjectData (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public MethodGetSchema (Inherited from OpcLabs.BaseLib.Info)
Public MethodGetTypeGets the System.Type of the current instance. (Inherited from object)
Public MethodReadXml (Inherited from OpcLabs.BaseLib.Info)
Public MethodSetValueSets the data value. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public MethodToStringOverloaded. Returns a System.String that represents the current OpcLabs.EasyOpc.DataAccess.DAVtq. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Public MethodWriteXml (Inherited from OpcLabs.BaseLib.Info)
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Protected Methods
 NameDescription
Protected MethodCheckValueOverridden. 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 MethodMemberwiseCloneCreates a shallow copy of the current System.Object. (Inherited from object)
Protected MethodReadXmlElementInfrastructure. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Protected MethodShouldShowHasTimestampDetermines whether HasTimestamp value is evident. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Protected MethodShouldShowTimestampDetermines whether Timestamp value is evident. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Protected MethodShouldShowTimestampLocalDetermines whether TimestampLocal value is evident. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
Protected MethodWriteXmlElementInfrastructure. (Inherited from OpcLabs.EasyOpc.DataAccess.DAVtq)
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Extension Methods
 NameDescription
Public Extension MethodSetState<TNode>Sets the arbitrary object associated with the node.
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See Also

Reference

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

 

 

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