ICategoryProvider::EnumCategories method (shobjidl_core.h)
Gets the enumerator for the list of GUIDs that represent categories.
Syntax
HRESULT EnumCategories(
[out] IEnumGUID **penum
);
Parameters
[out] penum
Type: IEnumGUID**
When this method returns, contains the address of a pointer to an IEnumGUID interface that specifies a list of GUIDs that represent categories.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
In the case of the system folder view object, ICategoryProvider::EnumCategories is used to obtain additional categories that are not associated with a column. When the list of category GUIDs is returned through penum, the UI attempts to retrieve the name of each category. That name is then displayed as a category choice. In the case of Windows XP, that choice appears in the folder's Arrange Icons By menu.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | shobjidl_core.h (include Shobjidl.h) |
DLL | Shell32.dll |
Σχόλια
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