IWDFNamedPropertyStore::GetNameCount method (wudfddi.h)

[Warning: UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2. For more info, see Getting Started with UMDF.]

The GetNameCount method retrieves the number of properties in a property store.


HRESULT GetNameCount(
  [out] DWORD *pdwCount


[out] pdwCount

A pointer to a variable that receives the number of properties in the property store.

Return value

GetNameCount returns S_OK if the operation succeeds. Otherwise, this method returns one of the error codes that are defined in Winerror.h.


For more information, see Using the Registry in UMDF-based Drivers.


End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.5
Header wudfddi.h (include Wudfddi.h)

See also