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GrapeCity.CalcEngine Assembly / GrapeCity.CalcEngine Namespace / IReferenceSource Interface / IsUndefined Method


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    IsUndefined Method (IReferenceSource)
    In This Topic
    Determines whether this reference source is undefined.
    Syntax
    'Declaration
 

    Function IsUndefined() As Boolean
    'Usage
 

    Dim instance As IReferenceSource
Dim value As Boolean
 
value = instance.IsUndefined()
    bool IsUndefined()

    Return Value

    true if this reference source is undefined; otherwise, false.
    See Also

    Reference

    IReferenceSource Interface
    IReferenceSource Members

     

     

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