ICategory::RemoveRelationshipToCategory
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Use this method to remove a relationship between the specified category and this category.
Definition
HRESULT ICategory::RemoveRelationshipToCategory(BSTRstrRelatedCategoryName,BSTRstrRelationshipName);
Parameters
strRelatedCategoryName
[in] A BSTR that contains the name of the related category.
strRelationshipName
[in] A BSTR that contains the name of the relationship.
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_CATEGORY_DOESNT_EXIST | 0x8898001C | The category you specified either did not exist or was not a parent of this category. |
| E_CAT_DEFN_NO_RELATIONSHIP_EXISTS | 0x88980045 | The specified relationship did not exist. |
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 RemoveRelationshipToCategory method removes a relationship between this category and the category named in the strRelatedCategoryName parameter. Since more than one relationship may exist between these two categories, you must also specify the name of the relationship you wish to remove in the strRelationshipName parameter. If the category specified as the strRelatedCategoryName parameter does not exist or the relationship specified as the strRelationshipName parameter does not exist, then this method will fail.**
For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.
See Also
ICategory::AddRelationshipToCategory