'DeclarationPublic Overridable Function CanHaveNullValue( _ ByVal propertyId As DAPropertyId _ ) As Boolean
'UsageDim instance As DAItemPropertyRecord Dim propertyId As DAPropertyId Dim value As Boolean value = instance.CanHaveNullValue(propertyId)
public virtual bool CanHaveNullValue( DAPropertyId propertyId )
public: virtual bool CanHaveNullValue( DAPropertyId^ propertyId )
Parameters
- propertyId
 - The ID of the property to be tested.
 
Return Value
Returns 
true if the property can have a null value; returns false otherwise.