OPC Studio User's Guide and Reference
DisplayValue Method (DAVtq)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess Namespace > DAVtq Class : DisplayValue Method
Formats the data value for display.
Syntax
'Declaration
 
Public Function DisplayValue() As String
'Usage
 
Dim instance As DAVtq
Dim value As String
 
value = instance.DisplayValue()
public string DisplayValue()
public:
String^ DisplayValue(); 

Return Value

Returns the string formatted with information about data value. Returns empty string when there is no value define in this object (i.e. when the HasValue returns false), usually when the quality is bad.
Remarks
The current data value can be a null reference.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also