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


OpcLabs.EasyOpcClassic Assembly > OpcLabs.EasyOpc.DataAccess.LiveMapping Namespace : DAReadAttribute Class

The following tables list the members exposed by DAReadAttribute.

Public Constructors
 NameDescription
Public ConstructorDAReadAttribute ConstructorInitializes a new instance of the class with default data.  
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Public Fields
 NameDescription
Public FieldDefaultDataSourceDefault data source.

The value of this constant is OpcLabs.EasyOpc.DataAccess.DADataSource.ByValueAge.

 
Public FieldDefaultValueAgeDefault value age.

The value of this constant is 1000.

 
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Public Properties
 NameDescription
Public PropertyDataSourceSelects the data source for OPC reads (from device, from OPC cache, or dynamically determined).  
Public PropertyTypeIdWhen implemented in a derived class, gets a unique identifier for this System.Attribute. (Inherited from System.Attribute)
Public PropertyValueAgeDetermines the age of value you would like to obtain (in milliseconds).  
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Public Methods
 NameDescription
Public MethodEqualsReturns a value that indicates whether this instance is equal to a specified object. (Inherited from System.Attribute)
Public MethodGetHashCodeReturns the hash code for this instance. (Inherited from System.Attribute)
Public MethodGetTypeGets the System.Type of the current instance. (Inherited from object)
Public MethodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from System.Attribute)
Public MethodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from System.Attribute)
Public MethodToStringReturns a string that represents the current object. (Inherited from object)
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Protected Methods
 NameDescription
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)
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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

DAReadAttribute Class
OpcLabs.EasyOpc.DataAccess.LiveMapping Namespace

 

 

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