ICategory::RemoveChildCategory
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Use this method to remove a category that is a child of this category.
Definition
HRESULT ICategory::RemoveChildCategory(BSTRstrCategoryName);
Parameters
strCategoryName
[in] A BSTR that contains the name of the category to be removed as a child of this category.
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 child of this category. |
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
Use the RemoveChildCategory method to remove a child category from this category. If the category named in the strCategoryName 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.