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IJSONObject.IsValueNull Method (ArcObjects .NET 10.5 SDK)
ArcObjects Library Reference (System)  

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
[C#]
public bool IsValueNull (
    string Name
);
[C++]
HRESULT IsValueNull(
  BSTR Name,
  VARIANT_BOOL* IsNull
);
[C++]

Parameters Name [in] Name is a parameter of type BSTR IsNull [out, retval] IsNull is a parameter of type VARIANT_BOOL

Product Availability

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

See Also

IJSONObject Interface