QuickOPC User's Guide and Reference
AsEnumerationDataType Method (_OpaqueDataType)



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

Returns null if the current data type is not a enumeration data type.

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

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