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


OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess Namespace : DAQuality Class

The following tables list the members exposed by DAQuality.

Public Constructors
 NameDescription
Public ConstructorOverloaded. Initializes a new instance of the DAQuality class.  
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Public Fields
 NameDescription
Public FieldDefault (enumerated) internal value. Equals to zero.  
Public FieldDefault numerical internal value. Equals to zero.  
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Public Properties
 NameDescription
Public PropertyDetermines whether a valid data value is carried with this quality.  
Public Propertystatic (Shared in Visual Basic)Default quality.  
Public PropertyThe numerical (integer) value of the quality.  
Public PropertyDetermines whether the Quality (QualityChoice) is Bad.  
Public PropertyDetermines whether the Quality (QualityChoice) is Good.  
Public PropertyDetermines whether the Quality (QualityChoice) is Uncertain.  
Public PropertyGets the Limit bit field.  
Public PropertyThe numerical (integer) value of the quality.  
Public PropertyGets the QualityChoice bit field.  
Public PropertyA symbolic name of the current DAQuality if it has a standard name. Empty otherwise.  
Public PropertyGets the Status bit field (Quality and Substatus).  
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Public Methods
 NameDescription
Public MethodOverridden.   
Public MethodOverloaded. Overridden. Determines whether the specified object is equal to the current object.Determines whether the specified System.Object is equal to the current object.  
Public Methodstatic (Shared in Visual Basic)Converts an enumerated value to a DAQuality object.  
Public Methodstatic (Shared in Visual Basic)Converts an integer to a quality.  
Public MethodOverridden. Serves as the default hash function. Serves as a hash function for a particular type.  
Public MethodOverridden.   
Public Method (Inherited from OpcLabs.BaseLib.Info)
Public MethodGets the System.Type of the current instance. (Inherited from object)
Public Method (Inherited from OpcLabs.BaseLib.Info)
Public MethodOverloaded. Modifies the QualityChoice and Substatus bit fields.  
Public Methodstatic (Shared in Visual Basic)Converts DAQuality object to an enumerated value.  
Public Methodstatic (Shared in Visual Basic)Converts the quality to an integer.  
Public MethodOverloaded. Overridden. Returns a string that represents the current object.Returns a string that represents the current object.  
Public Method (Inherited from OpcLabs.BaseLib.Info)
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Protected Methods
 NameDescription
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 MethodCreates a shallow copy of the current System.Object. (Inherited from object)
Protected MethodOverridden. Infrastructure. Infrastructure.  
Protected MethodOverridden. Infrastructure. Infrastructure.  
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Public Events
 NameDescription
Public EventHandler for System.ComponentModel.INotifyPropertyChanged.PropertyChanged.  
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Public Operators
Determines whether the two objects are equal.
Overloaded. Converts the quality to an integer.
Determines whether the two objects are not equal.
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See Also

Reference

DAQuality Class
OpcLabs.EasyOpc.DataAccess Namespace