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Fetches the number (size) of diagnostic record categories in the resource pointed by the HDIAGNOSTIC_EVENT_CATEGORY_DESCRIPTION handle.
Syntax
HRESULT DdqGetDiagnosticRecordCategoryCount(
HDIAGNOSTIC_EVENT_CATEGORY_DESCRIPTION hCategoryDescription,
UINT32 *categoryDescriptionCount
);
Parameters
hCategoryDescription
Type: HANDLE Handle to the resource that contains the list of categories and their descriptions.
categoryDescriptionCount
Type: UINT32* This output parameter is a pointer to the number of categories in the diagnostic record category array.
Return value
Type: HRESULT Returns S_OK on successful completion.
Remarks
See DIAGNOSTIC_DATA_EVENT_CATEGORY_DESCRIPTION for documentation on how a category is defined.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10, version 2004 (10.0; Build 19041) |
| Minimum supported server | Windows Server, version 2004 (10.0; Build 19041) |
| Header | diagnosticdataquery.h |