OPC Labs EasyOPC “Classic” Core Library
IsNull Implemented Property
OpcLabs_EasyOpcClassicCore ActiveX DLL > DANodeDescriptor Object > NodeDescriptor Interface : IsNull Implemented Property
Description
Determines whether the node descriptor is null, i.e. specifies neither node ID nor a browse path.

 

DISPID (Dispatch ID):

 

For more information, see IsNull in .NET Reference.

Property type
Read-only property
Syntax
Visual Basic
Public Property IsNull As Boolean
Return Type

See IsNull in .NET Reference.

Remarks

For remarks, see IsNull in .NET Reference.

Example

For examples, see IsNull in .NET Reference.

See Also

DANodeDescriptor Object  | NodeDescriptor Interface