OPC Studio User's Guide and Reference
HasDataTypeDictionary Method (_UADataTypeSystem)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.DataTypeModel.ComTypes Namespace > _UADataTypeSystem Interface : HasDataTypeDictionary Method
The model node descriptor of the data type dictionary.

The value of this parameter cannot be null (Nothing in Visual Basic).

Determines whether a given data type dictionary exists in the data type system.
Syntax
'Declaration
 
Function HasDataTypeDictionary( _
   ByVal modelNodeDescriptor As Object _
) As Boolean
'Usage
 
Dim instance As _UADataTypeSystem
Dim modelNodeDescriptor As Object
Dim value As Boolean
 
value = instance.HasDataTypeDictionary(modelNodeDescriptor)
bool HasDataTypeDictionary( 
   object modelNodeDescriptor
)
bool HasDataTypeDictionary( 
   Object^ modelNodeDescriptor
) 

Parameters

modelNodeDescriptor
The model node descriptor of the data type dictionary.

The value of this parameter cannot be null (Nothing in Visual Basic).

Return Value

Returns true when the modelNodeDescriptor exists in the data type system; returns false otherwise.
Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

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