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.
Syntax
HRESULT GetNameCount(
[out] DWORD *pdwCount
);
Parameters
[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.
Remarks
For more information, see Using the Registry in UMDF-based Drivers.
Requirements
| Requirement | Value |
|---|---|
| End of support | Unavailable in UMDF 2.0 and later. |
| Target Platform | Desktop |
| Minimum UMDF version | 1.5 |
| Header | wudfddi.h (include Wudfddi.h) |
| DLL | WUDFx.dll |