QuickOPC User's Guide and Reference
AsEnumerationData Method (_PrimitiveData)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.DataTypeModel.ComTypes Namespace > _PrimitiveData Interface : AsEnumerationData Method
The current generic data expressed as data of enumeration data type.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Function AsEnumerationData() As EnumerationData
'Usage
 
Dim instance As _PrimitiveData
Dim value As EnumerationData
 
value = instance.AsEnumerationData()
[CanBeNull()]
EnumerationData AsEnumerationData()
[CanBeNull()]
EnumerationData^ AsEnumerationData(); 
Remarks

Returns null if the current generic data is not of enumeration data type.

This method has been introduced primarily for languages like PHP that do not allow down-casting.

Classes derived from OpcLabs.BaseLib.DataTypeModel.GenericData form following class hierarchy:

.

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