IProduct::get_AncestorCategories
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The AncestorCategories property is a read-only Recordset object that contains the names of categories that exist anywhere above this product in the hierarchy.
Definition
HRESULT IProduct::get_AncestorCategories(_Recordset**AncestorCategories);
Parameters
AncestorCategories
[out, retval] The address of a pointer to a _Recordset object used to return the ancestor categories.
Return Values
This method returns an HRESULT indicating whether it completed successfully. See the Error Values section for more details.
Error Values
This method returns S_OK (0x00000000) to indicate success and either standard or custom COM HRESULT error values to indicate failure. For more information about standard COM errors, see Standard COM Errors.
The following table shows the custom COM errors that this method can return.
| Constant | Value | Description |
| E_CAT_CIRCULAR_REFERENCE | 0x88980037 | Circular referencing is not supported. A circular reference would put a category in more than one place in the hierarchy. |
Additional information may be available using the global Err object, which can be accessed using the API function GetErrorInfo. In particular, the GetDescription method of the IErrorInfo interface may return a text description of the error.
Remarks
The AncestorCategories parameter contains valid data only if the property was accessed successfully.
The AncestorCategories property is a Recordset object with a single 128-character field, named Name.
For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.