OPC Studio User's Guide and Reference
AsOpaqueDataType Method (DataTypeExtension)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.DataTypeModel.Extensions Namespace > DataTypeExtension Class : AsOpaqueDataType Method
The current data type expressed as opaque data type.
Syntax
'Declaration
 
<ExtensionAttribute()>
<CanBeNullAttribute()>
Public Shared Function AsOpaqueDataType( _
   ByVal dataType As DataType _
) As OpaqueDataType
'Usage
 
Dim dataType As DataType
Dim value As OpaqueDataType
 
value = DataTypeExtension.AsOpaqueDataType(dataType)
[Extension()]
[CanBeNull()]
public static OpaqueDataType AsOpaqueDataType( 
   DataType dataType
)
[Extension()]
[CanBeNull()]
public:
static OpaqueDataType^ AsOpaqueDataType( 
   DataType^ dataType
) 

Parameters

dataType
Remarks

Returns null if the current data type is not an opaque 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