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( DWORD *pdwCount );
[out] A pointer to a variable that receives the number of properties in the property store.
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.|
|Minimum UMDF version||1.5|
|Header||wudfddi.h (include Wudfddi.h)|