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IJSONObject.IsValueNull Method (ArcObjects .NET 10.8 SDK)
ArcObjects Help for .NET developers > ArcObjects Help for .NET developers > ArcObjects namespaces > System > ESRI.ArcGIS.esriSystem > Interfaces > IJ > IJSONObject Interface > IJSONObject.IsValueNull Method
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IJSONObject.IsValueNull Method

Returns VARIANT_TRUE if member is undefined or member's value is null. Returns VARIANT_FALSE if member exists and its value is not null.

[Visual Basic .NET]
Public Function IsValueNull ( _
    ByVal Name As String _
) As Boolean
public bool IsValueNull (
    string Name
HRESULT IsValueNull(
  BSTR Name
Name [in]

Name is a parameter of type BSTR

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

See Also

IJSONObject Interface