Indicates the direction of the property.

• LabVIEWNXGNodePropertyDirection_Default –(Value: 2) Specifies that the property uses the default value.
• LabVIEWNXGNodePropertyDirection_In –(Value: 0) Specifies an input property.
• LabVIEWNXGNodePropertyDirection_Out –(Value: 1) Specifies an output property.