OPC Labs EasyOPC “Classic” Core Library
IsNull Property
OpcLabs_EasyOpcClassicCore ActiveX DLL > DAPropertyDescriptor Object : IsNull Property
Description
Determines whether the property descriptor is null, i.e. specifies neither property ID.

 

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

DAPropertyDescriptor Object  | DAPropertyDescriptor Members

 

 

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