C# Class Softing.OPCToolbox.ValueQT

Represents the value of a process variable with its quality and the time it was obtained by the device or by the server's cache.

Inheritance: Softing.OPCToolbox.ValueData

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Protected Properties

Property	Type	Description
m_quality	EnumQuality
m_timeStamp	DateTime

Public Methods

Method	Description
IsQualitySet ( ) : bool	Specifies whether the Quality of a ValueQT object is set.
IsTimeStampSet ( ) : bool	Specifies whether the TimeStamp of a ValueQT object is set.
SetData ( object aData, EnumQuality aQuality, DateTime aTimeStamp ) : void	Sets the value, quality and time stamp of a ValueQT.
ToString ( ) : string	Returns the string representation of a ValueQT object.
ValueQT ( ) : System	Initializes a new instance of the ValueQT class. The data inside it is null, the quality is EnumQuality.BAD_WAITING_FOR_INITIAL_DATA and the timestamp is a new instance of the DateTime object.
ValueQT ( object aData, EnumQuality aQuality, DateTime aTimeStamp ) : System	Initializes a new instance of the ValueQT class with the value indicated by a process variable value, the value quality and the time the value was obtained by the device or by the server's cache.

Private Methods

Method	Description
ValueQT ( OTValueData &anOtValueData ) : System

Method Details

IsQualitySet() public method

Specifies whether the Quality of a ValueQT object is set.

public IsQualitySet ( ) : bool
return	bool

IsTimeStampSet() public method

Specifies whether the TimeStamp of a ValueQT object is set.

public IsTimeStampSet ( ) : bool
return	bool

SetData() public method

Sets the value, quality and time stamp of a ValueQT.

public SetData ( object aData, EnumQuality aQuality, DateTime aTimeStamp ) : void
aData	object
aQuality	EnumQuality
aTimeStamp	DateTime
return	void

ToString() public method

Returns the string representation of a ValueQT object.

public ToString ( ) : string
return	string

ValueQT() public method

Initializes a new instance of the ValueQT class. The data inside it is null, the quality is EnumQuality.BAD_WAITING_FOR_INITIAL_DATA and the timestamp is a new instance of the DateTime object.

public ValueQT ( ) : System
return	System

ValueQT() public method

Initializes a new instance of the ValueQT class with the value indicated by a process variable value, the value quality and the time the value was obtained by the device or by the server's cache.

public ValueQT ( object aData, EnumQuality aQuality, DateTime aTimeStamp ) : System
aData	object
aQuality	EnumQuality
aTimeStamp	DateTime
return	System

Property Details

m_quality protected_oe property

The quality for the value of a process variable supplied by an OPC Server.

protected EnumQuality m_quality
return	EnumQuality

m_timeStamp protected_oe property

The time the value of a process variable was obtained by the device or by the server's cache.

protected DateTime m_timeStamp
return	DateTime