IMMDeviceCollection::GetCount
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IMMDeviceCollection::GetCount
The GetCount method retrieves a count of the devices in the device collection.
HRESULT GetCount( UINT *pcDevices );
Parameters
pcDevices
[out] Pointer to a UINT variable into which the method writes the number of devices in the device collection.
Return Value
If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.
| Return code | Description |
| E_POINTER | Parameter pcDevices is NULL. |
Remarks
For a code example that calls the GetCount method, see Device Properties.
Requirements
Client: Windows Vista
Header: Include Mmdeviceapi.h.
See Also
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